A step-up transformer operates on a 200 V line and supplies to a load of 2 A. The ratio of primary to secondary windings is 1 : 25. The primary current is

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

8.8 A

0.08 A

12.5 A

50 A

answer is D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Given that np / ns = 1/25, Ep=200V and IS=2AWe know thatESEp=nSnp or Es=200×25=5000VNow, Input power = output powerEs×Is=EpIp5000×2=200×Ip or Ip=50A

Watch 3-min video & get full concept clarity