1.

A magnet is attached to a spring. The magnet can go in and out of the stationary coil.He lifted the Magnet and released it to make it oscillate through the coil. Based on your understanding of the phenomenon, answer the following questions.a. What is the principle which Ansari Sir is trying to demonstrate?b. What will be observed when the Magnet starts oscillating through the coil. Explain the reason behind this observation.c. Consider the situation where the Magnet goes in and out of the coil. State two changes which could be made to increase the deflection in the  galvanometer.

Answer»

(a) Sir is trying to demonstrate the principle of Electromagnetic induction.

(b) There will be induced current in the coil due to relative motion between the magnet and the coil. Changing the magnetic field around the coil generates induced current.

(c) Using a stronger magnet, using a coil with more number of turns.



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