Question

The primary coil of a transformer has 1,000 turns of wire, and its secondary coil has 2,000 turns of wire. The input voltage is 140 V. What is the output voltage of the transformer?
(Points : 3)
60 V

420 V

70 V

280 V

Answer 1

@aaronq @amistre64 @SolomonZelman

Answer 2

@Nnesha

Answer 3

@SolomonZelman @Wxlfz @Agl202 @barreraA @chycora

Answer 4

@HelpBlahBlahBlah

Answer 5

Each side of a square loop of wire measures 2.0 cm. A magnetic field of 0.044 T perpendicular to the loop changes to zero in 0.10 s. What average emf is induced in the coil during this change?
(Points : 3)
1.8 V

0.088 V

0.88 V

0.00018 V

I think its D

Answer 6

@chycora

Answer 7

srry i gtg