Question

A bell transformer with 240 turns on the primary and 30 turns on the secondary draws 0.3A from

a 120 V AC line. Find the secondary side voltage and current.​

Answer 1

Explanation:

Efficient of transformer =

Powerinput

Poweroutput

×100

⇒

100

80

=

V

1

I

1

V

2

I

2

⇒

100

80

=

1000×±1

120×20

I

1

=3A.