Home
Class 12
PHYSICS
Assertion : Soft iron is used as transfo...

Assertion : Soft iron is used as transformer core.
Reason oft iron has narrow hysteresis loop.

A

If both Assertain and Reason are true and Reason is the correct explanation of Assertain

B

If both Assertain and Reason are true but Reason is not correct explantion of Assertain

C

If Assertion is true but Reason is false

D

If Assertion is false but Reason in true.

Text Solution

Verified by Experts

The correct Answer is:
A

The core of a transformer undergoes cycles of magnetisation again and again. The energy loss is lesser and hence it is usd moving coil galvometer.
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion: Soft iron is used as transformer core. Reason: Soft iron has narrow hysteresis loop.

Use of iron started around

Soft Iron and Hard Iron

Wrought iron is used for making

Soft iron is used for making electromagnet because it

Cast iron is used for the production of

Soft iron is used in many electrical machines for:

Assertion : A laminated core is used in transformers to increase eddy currents. Reason : The efficiency of a transformer increases with increase in eddy currents.

Pieces of soft iron used for the storage of magnets

Assertion : An ideal transformer does not vary the power. Reason : An transformer is used to step-up or step-down ac voltages.