Question

Which one of the following common devices works on the basis of the principle of mutual induction?
a) Tubelight
b) Transformer
c) LED
d) Photodiode

Answer 1

photodiode is the right answer

Answer 2

Answer:

The transformer is the common device among the abovementioned common devices that works based on the principle of mutual induction.

Explanation:

Mutual induction as the name suggests means the property of the coils that enables them to oppose the changes in the current in another coil. In simpler terms, it is a property that helps a device in a particular circuit to induce enough voltage in another circuit of the same device. Tubelight, LED and Photodiode does not work on such principle. They work on different principles and have other uses in a home. Only the transformer the common device among the abovementioned common devices works on the principle of mutual induction. Hence, it is safe to conclude that option B Transformer is the right answer among the other three common devices.