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Transformer works on the principle of

AElectro magnetic induction

BMutual induction

CSelf induction

DBack EMF

Answer:

B. Mutual induction

Read Explanation:

• While a transformer does involve electromagnetic induction broadly, the specific mechanism that allows it to transfer energy from one coil to another without a physical connection is mutual induction.


Related Questions:

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A magnet, when moved near a coil, produces an induced current. Which of the following method(s) can be used to increase the magnitude of the induced current?

  1. (1) Increasing the number of turm in the coil
  2. (2) Increasing the speed of the magnet
  3. (3) Increasing the resistivity of the wire of the coil
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