Skip to content

Course home

Sign up

Card 1 of 28

Why does a transformer need a.c. in the primary coil?

A

A.c. heats the soft iron core for induction.

B

A.c. creates a changing magnetic field for induction.

C

A.c. creates a constant magnetic field for induction.

D

A.c. directly transfers charge between the coils.

Card 1 of 28

4.5.6a Construction and operation of a transformer Flashcards

  1. IGCSE
  2. /Physics
  3. /4.5.6a Construction and operation of a transformer

28 flashcards on CIE IGCSE Physics 4.5.6a Construction and operation of a transformer: the key terms, formulae and methods you need to recall for Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended), plus Paper 5 or Paper 6.

Flashcards