Skip to content

Course home

Sign up

4.5.5 The d.c. motor

EasyMedium
1234567891011121314151617181920212223242526
Question 6

A small electric fan is driven by a d.c. electric motor. How can the speed of rotation of the fan be decreased?

A

Use a larger d.c. supply voltage.

B

Use a motor with fewer turns of wire on the coil.

C

Use a stronger permanent magnet in the motor.

D

Reverse the connections to the d.c. power supply.

Markscheme

4.5.5 The d.c. motor Questions

  1. IGCSE
  2. /Physics
  3. /4.5.5 The d.c. motor

31 exam-style questions on CIE IGCSE Physics 4.5.5 The d.c. motor. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank