Skip to content

Course home

Sign up

4.5.5 The d.c. motor

EasyMedium
1234567891011121314151617181920212223242526
Question 3

A coil of eight loops of wire is placed in a uniform magnetic field. When there is a constant current in the coil, it experiences a turning effect.

If four of the loops of wire are removed from the coil while keeping the current unchanged, how does this affect the turning effect?

A

It increases.

B

It decreases.

C

It is unchanged.

D

Its direction reverses.

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