Home
Class 12
PHYSICS
In a step-up transformer the turn ratio ...

In a step-up transformer the turn ratio is `1:10`. A resistance of `200` ohm connected across the secondary is drawing a current of `0.5A`. What is the primary voltage and current?

A

50 V, 1 A

B

100 V, 5 A

C

25 V,4 A

D

20 V, 2 A

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

In a step up transformer, the turn ratio is 1:10. A resistance of 200 Omega connected across the secondary draws a current of 0.5 A. What is the primary voltage?

In a step up transformer, the turn ratio is 3 : 2. A battery of EMF 4.5V is connected across the primary windings of transformer. The voltage developed in the secondary would be:

in a step-up transformer, the turn ratio is 1:2A leclanche cell (e.m.f. 1.5V) is connected across the primary. The voltage devloped in the secondary would be

A step up transformer has turn ratio 10:1 . A cell of e.m.f 2 volts is fed to the primary . Secondary voltage developed is :

In a step-up transformer the turn's ratio is 10. If the frequency of the current in the primary coil is 50 Hz then of the frequency of the current in the second ary coil will be

A step down transformer has a turn ratio of 20 : 1 . If 8 volt are developed across 0.4 Omega secondary, then the primary current will be:

A step up transformer has transformation ration 5:3 . What is voltage in secondary if voltage in primary is