Home
Class 12
PHYSICS
A power transformer (step up) with an 1:...

A power transformer (step up) with an `1:8` turns ratio has `60 Hz,120 V` across the primary, the load in the secondary is `10^(4) Omega`.The current in the secondary is

A

96A

B

0.96A

C

9.6A

D

96mA

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    RESONANCE|Exercise PART II:|6 Videos

  • ALTERNATING CURRENT

    RESONANCE|Exercise SECTION F|7 Videos

  • ALTERNATING CURRENT

    RESONANCE|Exercise SECTION D: Resonance|10 Videos

  • ATOMIC PHYSICS

    RESONANCE|Exercise Advanved level problems|17 Videos

Similar Questions

Explore conceptually related problems

A transformer of efficiency 90% has turns ratio 10 : 1. If the voltage across the primary is 220 V and current in the primary is 0.5 A, then the current in secondary is

The secondary coil of an ideal step down transformer is delivering 500 watt power at 12.5 A current. If the ratio of turns in the primary to the secondary is 5 : 1 then the current flowing in the primary coil will be:

A transformer has 500 turns in the primary and 1000 turns in its secondary. The primary voltage is 200 V and load in secondary is 100 ohm. Calculate the current in primary assuming it to ideal transformer.

In a step-up transformer the voltage in the primary is 220 V and the currrent is 5A . The secondary voltage is found to be 22000V . The current in the secondary (neglect losses)is