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Electrical Conductor Question & Answers

February 20, 2023 By Wat Electrical

This article lists 100 Electrical Conductor MCQs for engineering students. All the  Electrical Conductor Questions & Answers given below include a hint and a link wherever possible to the relevant topic. This is helpful for users who are preparing for their exams, interviews, or professionals who would like to brush up on the fundamentals of Electrical conductors.

Electrical conductors are the materials or substances that allow electricity to flow through them. When there is a supply of voltage the charge-carrying elements called electrons are easily movable from one atom to other. Metals are good electric conductors whereas non-metals do not conduct electricity and are bad electric conductors.

Generally, Conductivity refers to the substance's capacity to transmit heat or electricity. A little or zero resistance is offered by the conductor. The electrons flowing in conductors have no restrictions and lead to current flow in them. Metals & their alloys, graphite, and electrolytes are some of the examples referred to as good conductors.

Human beings are one example of good electrical conductors. In electronic & electrical systems, the conductors are comprised of solid-type metal that is molded in the wires form or else etched on Printed Circuit Boards. Even water is also an example of a good electrical conductor.

Electrons in conductors are moved freely compared to semiconductors. The electric field inside conductors will remain zero allowing the movement or the free flow of electrons. For outside the electrical conductors, the electric field to the surface of the conductor is perpendicular. Higher thermal conductivities are offered by the Electrical conductors.

1). What allows the flow of charges through them?

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2). What provides the material capable of transmitting heat or electricity?

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3). What is available in abundance in conductors?

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4). What allows the passage of electricity for applied voltages?

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5). Metals can _____ electricity?

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6). Which block in the periodic table belongs to the conductor?

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7). Saturated solution of salt is _____?


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8). What are the bad electric conductors?

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9). It is easy to pass electricity through _____?

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10). Why are coppers used for filling electric cables?

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11). What is the density of charge inside conductors?

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12). What does the conductivity of the substance is referred to?

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13). What is the resistance offered by the conductors ideally?

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14). Elemental silver in the purest form is __________?

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15). What does not conduct electricity?

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16). Increase in ions concentration _________ the conductivity?

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17). Which liquid can conduct electricity?

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18). Does rainwater conducts electricity?

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19). Can milk conduct electricity?

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20). Pure water __________ electricity?

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21). Which can conduct electricity faster?

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22). What are metals that are highly or more conductive?

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23). Why metals are great conductors?

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24). Carbon in graphite form is _____________?

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25). Conductors in the form of solution are referred to as __________?

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Electrical Conductor MCQs for Interviews

26). Sigma is the symbol to represent __________?

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27). What is the unit of electrical conductivity?

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28). How temperature increase affects the conductor?

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29). Which metal is used commonly in electric-power transmissions?

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30). What is ampacity in conductors?

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31). A low-resistance conductor carries _________ current?

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32). What is ACSR?

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33). Why large conductors can lose lesser energy?

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34). What happens to the conductor if the heat is produced due to the current flow?

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35). What is used in reducing the 'Corona effect'?

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36). Bundled conductors increase _________?

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37). What is reduced by Bundled conductors?

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38). How Bundled Conductors can cool themselves?

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39). Bundled conductors have ______________?

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40). Electrical conduction is dependent on ______________?

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41). All types of liquids can ________________?

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42) . Where do the electric charges are present in conductors?

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43). What happens to the conductor when it is placed in a magnetic field?

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44) . Heat allowances in the conductors are _________?

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45). Electron mobility is ______ in conductors?

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46). Electric field inside conductors is ______?

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47). Thermal conductivity will be high in _________?

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48). What is the potential at conductor ends?

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49). What happens when the potential at any end of the conductor is varied?

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50). Electric field to surface is perpendicular in _________?

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Electrical Conductor MCQs for Students

51). What is the energy gap in conductors?

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52). What happens to bands in the conductors?

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53). How are conductivity and temperature related to each other?

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54). Why the material conducting ability is reduced?

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55). In how many types of conductors are classified based on ohmic responses?

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56). Which law is followed by the Ohmic conductor?

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57). What are the various examples of Ohmic conductors?

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58). Non-ohmic conductors do not obey ________?

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59). What are the examples of non-ohmic conductors?

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60). What is used in creating a path to flow electricity?

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61). Electrons in the outer shell of atoms are bounded loosely in _________?

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62). Why silver is considered the best electric conductor?

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63). What are the examples of weak conductors?

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64). Which is the poorest electricity conductor?

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65). Which material is commonly used as a conductor?

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66). Why covalent compound is bad electricity conductor?

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67). What happens to the conductivity of the electrolytic conductor due to an increase in temperature?

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68). Resistance is the inverse of ___________?

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69). What are the filaments made of wires of metal?

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70). LDRs are the examples of _________?

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71). Which offers the reverse functionality to insulators?

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72). What affects the conductor resistivity?

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73). Which material has electric conduction among conductors & insulators?

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74). What is the resistance offered by superconductors?

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75). Electric wires are made using_____ metals?

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Electrical Conductor MCQs for Exams

76). Why silver is utilized in the auto-part industry?

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77). What is the resistance offered by silver?

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78). Which material is present in the power cable?

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79). Cable wires contain ______?

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80). What can be added to the connectors?

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81). Phonons can disrupt ________ path in the conductors.

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82). Conductors having a large area of cross-section offer _________?

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83). On what factors does the resistance in the conductor depend?

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84). If current & voltage are varied for the ohmic conductor. What happens to resistance?

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85). How is the relation between current & voltage in Ohmic Conductors?

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86). Diodes are the examples of _____________?

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87). If materials with applied electric field & the current induced in similar directions, that material is _________________?

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88). Diamond is one of the poor __________?

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89). Can a water from tap conduct electricity?

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90). What do car radiators contain?

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91). Cooking vessel contains ___________ materials?

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92). What does a pressing iron contain?

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93). Soldering tool contains ____________?

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94). Copper offers _______?

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95). What material is present in tools used for baking?

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96). Gold has __________?

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97). Human beings are ______ of electricity?

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98). Water is a ________?

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99). Why iron is utilized in manufacturing engines for vehicles?

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100). What is used in checking the temperature of body?

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