Observe the following figure. If the current in the coil A is changed

1.	Observe the following figure. If the current in the coil A is changed, will some current be induced in the coil B? Explain.
Answer» If the current in the coil A is changed, there will be some current induced in the coil B. When the current in the coil A is changed, the magnetic field associated with the current changes. This induces potential difference in the coil B. This gives rise to (i.e., induces) a current in the coil B. The greater the rate at which the current in the coil A is changed with respect to time, the greater is the current induced in the coil B as can be seen from the deflection of the pointer in the galvanometer. This phenomenon is known as electromagnetic induction.

Observe the following figure. If the current in the coil A is changed, will some current be induced in the coil B? Explain.

Answer»

If the current in the coil A is changed, there will be some current induced in the coil B.

When the current in the coil A is changed, the magnetic field associated with the current changes. This induces potential difference in the coil B. This gives rise to (i.e., induces) a current in the coil B. The greater the rate at which the current in the coil A is changed with respect to time, the greater is the current induced in the coil B as can be seen from the deflection of the pointer in the galvanometer. This phenomenon is known as electromagnetic induction.

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