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Electrical Conductivity of Materials

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Questions and Answers

What is the unit of electric current intensity?

Ampere (correct)
Joule
Coulomb
Volt

What is the work done in transferring a unit charge between two points?

One Coulomb
One Ampere
One Joule (correct)
One Volt

What is the ratio of potential difference to current intensity at constant temperature?

Conductance
Resistance (correct)
Inductance
Capacitance

What is the flow of charge per unit time?

Current intensity (C) Signup and view all the answers

What is the opposition of the conductor to the flow of electric current due to friction?

Electric resistance (C) Signup and view all the answers

What is the unit of electric potential difference?

Joule/Coulomb (B) Signup and view all the answers

What is the primary characteristic of conductors that allows them to facilitate the flow of electricity?

Having a large number of free electrons (C) Signup and view all the answers

What is the direction of the conventional current in a circuit?

From the positive to the negative terminal of a cell (A) Signup and view all the answers

What is the unit of measurement for the quantity of electricity flowing through a conductor?

Coulombs (D) Signup and view all the answers

What is the primary characteristic of semiconductors in terms of their electrical conductivity?

Their conductivity is between that of conductors and insulators (B) Signup and view all the answers

What is the flow of electric charges through a conductor due to?

The movement of free electrons (B) Signup and view all the answers

What is the electric current intensity (I) measured in?

Coulombs per second (A) Signup and view all the answers