EASY
10th Kerala Board
IMPORTANT
Earn 100

In a split ring commutator of a DC motor, semi-circular rings are used. What is the need for this?

Important Questions on Magnetic Effect of Electric Current

HARD
10th Kerala Board
IMPORTANT
Physics Standard X Part 1>Chapter 2 - Magnetic Effect of Electric Current>Let us assess>Q 9
A current carrying solenoid is stretched to increase the distance between the coils. What change will occur in its magnetic field? Describe.
MEDIUM
10th Kerala Board
IMPORTANT
Physics Standard X Part 1>Chapter 2 - Magnetic Effect of Electric Current>Let us assess>Q 10
State the motor rule. If the direction of current in the conductor and the magnetic field are the same, in which way the conductor move?