EASY
10th CBSE
IMPORTANT
Earn 100

List three sources of magnetic fields.

Important Questions on Magnetic Effect of Electric Current
EASY
10th CBSE
IMPORTANT
A generator with commutator produces _____ (direct/alternating) current.

EASY
10th CBSE
IMPORTANT
Two circular coils A and B are placed close to each other. If the current in coil A is changed, will some current be induced in the coil B? Give reason for your answer.

EASY
10th CBSE
IMPORTANT
Explain the principle of an electric generator

EASY
10th CBSE
IMPORTANT
State two ways in which the current induced in the coil of a generator could be increased.

EASY
10th CBSE
IMPORTANT
What is the difference between alternating current and direct current?

EASY
10th CBSE
IMPORTANT
What type of current is given by (i) a dry cell and (ii) a Powerhouse generator?

EASY
10th CBSE
IMPORTANT
State and explain Fleming’s right-hand rule.

EASY
10th CBSE
IMPORTANT
Name and state the rule to find the direction of: current induced in a coil due to its rotation in a magnetic field.
