Home
Class 12
PHYSICS
A step down transformer increases the in...

A step down transformer increases the input current 4 A to 24 A at the secondary. If the number of turns in the primary coil is 330, the number of turns in the secondary coil is

A

a. 60

B

b. 50

C

c. 65

D

d. 55

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    NEW JOYTHI PUBLICATION|Exercise PREVIOUS YEAR QUESTIONS|2 Videos

  • ATOMS

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|5 Videos

Similar Questions

Explore conceptually related problems

In a step down transformer the number of turns in primary coil is greater than that of the number of turns in the secondary coil

In a transformer, the number of turns in the primary and the secondary are 410 and 1230 respectively. If the current in primary is 6A, then that in the secondary coil is

In a transformer, the number of truns in the primary and the secondary are 410 and 1230 respctively. If the current in primary is 6A, then that in the secondary coil is:

A step down transformer convert a voltage of 2200 V into 220V in the transmission line. Number of turns in the primary coil is 5000. Efficiency of transformer is 90% and its output power is 8kW. Calculate (i) the number of turns in the secondary coil, (ii) input power.

In a step-down transformer the input voltage is 22 kV and the output voltage is 550 V. The ratio of the number of turns in the secondary to that in the primary is

A tangent galvanometer is connected directly to an ideal battery. If the number of turns in the coil is doubled, the deflection will

A power transmission line feeds input power at 2300 V to a stepdown transformer with its primary windings having 4000 turns. What should be the number of turns in the secondary in order to get output power at 230 V?