Navigate

A transformer having efficiency of 90% is working on 200 V and 3kW power supply

A transformer having efficiency of 90% is working on 200 V and 3kW power supply. If the current in the secondary coil is 6 A, then the voltage across the secondary coil and the current in the primary coil respectively are

Options

(a) 300 V, 15 A
(b) 450 V, 15 A
(c) 450 V, 13.5 A
(d) 600 V, 15 A

Correct Answer:

450 V, 15 A

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

AIPMT2014
admin:

Related Questions

  1. Energy of photon whose frequency is 10¹² MHz will be
  2. When temperature of an ideal gas is increased from 27⁰C to 227⁰C,
  3. When a mass m is attached to a spring, it normally extends by 0.2 m.
  4. The flux linked with a coil at any intant t is given by ?=10t² – 50t + 250
  5. A circular disc of radius R and thickness R/6 has moment of inertia I about an axis