Question

An electric motor has all the following parts except and .

• A. magnet
• B. split rings
• C. amplifier
• D. galvanometer

Answer 1

Answer: (C), (D)

The correct options are
C amplifier
D galvanometer

In an electric motor, which uses the principal of current carrying conductor placed in a magnetic field experiences a force. Magnet is the main part of the setup along with the split rings to change the direction of the current in the circuit. Galvanometer is an instrument meant for measuring the strength of a current while amplifier increases the intensity of any electrical signal.