EASY
10th West Bengal Board
IMPORTANT
Earn 100

What happens to the magnetic field by reversing the direction of current in a wire?

Important Questions on Current Electricity

EASY
10th West Bengal Board
IMPORTANT
Which rule helps to find the direction of magnetic field lines in a circular loop?
EASY
10th West Bengal Board
IMPORTANT
Which type of switch is used near the meter board?
EASY
10th West Bengal Board
IMPORTANT
What does the upper hole of a socket stand for?
EASY
10th West Bengal Board
IMPORTANT
What is the SI unit of potential difference? Define it.
EASY
10th West Bengal Board
IMPORTANT

Explain the statement.

The emf of a cell is 1.5 V.

EASY
10th West Bengal Board
IMPORTANT
Name the factors affecting the resistance of a conductor.
EASY
10th West Bengal Board
IMPORTANT
Name the material used for making the filament of a bulb. Give reason.
EASY
10th West Bengal Board
IMPORTANT
What is a superconductor? Give an example of it.