EASY
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The flow of electrons is from the positive terminal to the negative terminal.

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Important Questions on Electricity

EASY
Science>Physics>Electricity>Electric Potential and Potential Difference
Define the unit of current.
EASY
Science>Physics>Electricity>Electric Potential and Potential Difference
How much energy is given to each coulomb of charge passing through a 6 V battery?
EASY
Science>Physics>Electricity>Electric Potential and Potential Difference
What do we need to make a device which works on electricity?
MEDIUM
Science>Physics>Electricity>Electric Potential and Potential Difference
The drift speed of charge carriers in a conductor, connected between terminals of the conductor is vd, when it carries the current I. When the length of the conductor is reduced by half, the drift speed of the charge carriers at a given point in it
EASY
Science>Physics>Electricity>Electric Potential and Potential Difference
The net charge moving along a conductor through any cross-section is _____ when the conductor is in open circuit.
MEDIUM
Science>Physics>Electricity>Electric Potential and Potential Difference
What is the difference between a direct current and an alternating current? How many times does AC used in India change direction in one second?
MEDIUM
Science>Physics>Electricity>Electric Potential and Potential Difference
A copper wire of 10-6 m2 area of cross section, carries a current of 4 A. If the number of electrons per cubic meter is 8×1028, calculate the average drift velocity.
EASY
Science>Physics>Electricity>Electric Potential and Potential Difference
Which of the following is a conductor?
MEDIUM
Science>Physics>Electricity>Electric Potential and Potential Difference
Explain how electron flow causes electric current with Lorentz-Drude theory of electrons. 
MEDIUM
Science>Physics>Electricity>Electric Potential and Potential Difference
What happens to the motion of the electrons in an open circuit?
EASY
Science>Physics>Electricity>Electric Potential and Potential Difference
The direction of drift velocity of electrons in a conductor is the same as that of the electric field.
MEDIUM
Science>Physics>Electricity>Electric Potential and Potential Difference
What happens to the motion of electrons when the ends of the conductor are connected to the battery? 
EASY
Science>Physics>Electricity>Electric Potential and Potential Difference
Metals have ______ resistance.
EASY
Science>Physics>Electricity>Electric Potential and Potential Difference
Drift velocity and thermal velocity of electrons determines the current in a conductor.
EASY
Science>Physics>Electricity>Electric Potential and Potential Difference
Choose the odd one out.
EASY
Science>Physics>Electricity>Electric Potential and Potential Difference
Describe factors affecting drift velocity.
HARD
Science>Physics>Electricity>Electric Potential and Potential Difference
Why do electrons move in a specified direction when the ends of the conductor are connected to the battery? 
EASY
Science>Physics>Electricity>Electric Potential and Potential Difference
In the absence of a battery,
EASY
Science>Physics>Electricity>Electric Potential and Potential Difference
Cotyledons are also called-
EASY
Science>Physics>Electricity>Electric Potential and Potential Difference
Does motion of charge always lead to electric current?