EASY
10th West Bengal Board
IMPORTANT
Earn 100

What do you mean by the term electric work? How is it measured?

Important Questions on Current Electricity

EASY
10th West Bengal Board
IMPORTANT
What is a B. O. T unit? How can you express it in terms of V and A?
EASY
10th West Bengal Board
IMPORTANT
State two properties of material used in fuse wire.
EASY
10th West Bengal Board
IMPORTANT
What is meant by electromagnetic induction?
EASY
10th West Bengal Board
IMPORTANT
State two ways by which the induced current in a coil can be increased?
EASY
10th West Bengal Board
IMPORTANT
State three differences between emf and terminal voltage of a cell.
MEDIUM
10th West Bengal Board
IMPORTANT
Two bulbs rated as 60 W and 100 W are connected in series and parallel with same line voltage. In the two cases, which bulb glows more brightly than the other? Explain your answer.
EASY
10th West Bengal Board
IMPORTANT
State Lenz's law. How can Lenz's law be explained as a consequence of energy?
EASY
10th West Bengal Board
IMPORTANT
Write three important differences between AC generator and DC motor.