Home
Class 12
PHYSICS
A transformer is an electrical device us...

A transformer is an electrical device used for

A

producing direct current

B

producing alternating current

C

changing d.c. into a.c.

D

changing a.c. voltages

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

A transformer is an electrical device that is used for …………………. It ………………………..work on ……………………

Transformer is an electrical device based on electromagnetic inductions and is used to

The core used in a transformer and other electromagnetic devices is laminated so that

A transformer is a device which converts

Explain with the help of a labelled diagram the underlying principal and working of a step-up transformer, why cannot such a device be used to step-up d.c. voltage ?

Alloys are used in electrical heating devices rather than pure metals. Give one reason.

Why are alloys commonly used in electrical heating devices? Give reason.

To measure the current in an electric device

While reading about the heating effect of current, Raju list some electrical devices that work on that principle. He lists some devices . His father notices that one device is listed incorrectly. Electrical device: Electric kettle, Motor, Toaster, Geyser, Hair dryer Which device is listed incorrectly by Raju ?