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
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.