EASY
10th CBSE
IMPORTANT
Earn 100

Name the device which is used to reverse the direction of current in the coil of a motor.

(Choose from Commutator, Slip ring, Brush)

100% studentsanswered this correctly

Important Questions on Magnetic Effect of Electric Current

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Very Short Answer Type Questions>Q 10
What is the other name of the split ring used in an electric motor? (Choose from the following: Armature coil, Commutator, Stator)
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Very Short Answer Type Questions>Q 11
What is the function of a commutator in an electric motor?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Very Short Answer Type Questions>Q 12
Of what substance are the brushes of an electric motor made?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Very Short Answer Type Questions>Q 13
Of what substance is the core of the coil of an electric motor made?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Very Short Answer Type Questions>Q 14

In an electric motor, which of the following remains fixed, and which rotates with the coil?

Commutator; Brush

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Very Short Answer Type Questions>Q 15
What is the role of the split ring in an electric motor?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Very Short Answer Type Questions>Q 16
Fleming's Rule for the motor effect uses the _____ hand.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Short Answer Type Questions>Q 17
A current-carrying conductor is placed perpendicularly in a magnetic field. Name the rule which can be used to find the direction of force acting on the conductor.