Question

The primary coil of a transformer has 411 turns; the secondary coil has 1000 turns. An alternating current is sent through the primary coil. The emf in the primary is of amplitude 11.7 V. What is the emf amplitude in the secondary

Answer 1

The emf amplitude in the secondary coil is 26.53 V

Step-by-step explanation:

Given that,

The number of turns of the primary coil of a transformer = 441

The number of turns of the secondary coil of a transformer = 1000

The emf in the primary is of amplitude 11.7 V

We need to find the emf amplitude in the secondary. We know that,

`(E_1)/(N_1)=(E_2)/(N_2)\\\\E_2=(E_1N_2)/(N_1)`

Put all the values,

`E_2=(11.7* 1000)/(441)\\\\E_2=26.53\ V`

So, the emf amplitude in the secondary coil is 26.53 V.