Question

The speed of a DC motor can be increased by increasing it's:

• A. Area and number of turns in the coil.
• B. Magnetic field.
• C. Current
• D. All of these.

Answer 1

Answer: (A), (B), (C)

The correct options are
A

Area and number of turns in the coil.

B

Magnetic field.

C

Current

The speed of a dc motor can be increased by increasing:

1) The length of the wire perpendicular to the magnetic field.

2) The number of turns of the coil.

3) The magnetic field intensity and current flowing through the wire.