Question

There is a step-up transformer that doubles the voltage. If the primary coil has a voltage of 10 V, what will the voltage in the secondary coil be?

Select one of the options below as your answer:



A.
5 V




B.
10 V




C.
12 V




D.
20 V




E.
100 V

Answer 1

i think its A 5V am i correct?

Answer 2

cause half of 10V is 5V