Question text
35 A transformer is used to power a lamp. primary coil secondary coil iron core There are more turns on the secondary coil than on the primary coil. Which statement is correct? A There is an alternating current (a.c.) in the primary coil and a direct current (d.c.) in the secondary coil. B There is a larger current in the secondary coil than in the primary coil. C There is a changing magnetic field in the iron core. D In the iron core there is an alternating current from the primary coil to the secondary coil.
35 A transformer is used to power a lamp.
primary coil secondary coil
iron core
There are more turns on the secondary coil than on the primary coil.
Which statement is correct?
A There is an alternating current (a.c.) in the primary coil and a direct current (d.c.) in the
secondary coil.
B There is a larger current in the secondary coil than in the primary coil.
C There is a changing magnetic field in the iron core.
D In the iron core there is an alternating current from the primary coil to the secondary coil.
Select your answer: