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What is the primary property of a conductor?

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Important Questions on Electricity

MEDIUM
Which of the following is a feature of insulators?
EASY
What property makes rubber a good insulator?
EASY
What does the conduction of electron depends upon?
EASY
Why do conductors heat up when current flows through them?
EASY
Why are insulators used in electrical wiring?
HARD
Which material is used as a conductor in overhead power lines?
HARD
What is the primary function of an insulator in circuits?
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Electric conduction in a semiconductor takes place due to
HARD
What is a practical application of insulators?
MEDIUM
Which of the following is an application of conductors?
HARD
What is the role of free electrons in conductors?
MEDIUM
Which of the following is a good conductor of electricity?
HARD
What distinguishes a conductor from an insulator?
MEDIUM
Which of the following is a poor conductor of electricity?
HARD
What is the relationship between resistance and conductivity?
EASY
In conducting materials electrons are _____ bounded with atoms.
EASY

In the following figure, a battery of 2 volt is connected between A and B. It is assumed that the resistance of a diode is zero in forward bias and infinite in reverse bias. If positive terminal of the battery is connected to A, then the current flowing in the circuit will be,

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EASY
Which of the following is not an insulator?
HARD
Which material is an insulator?