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Consider Experiment 2, Art. 4(a). 3, (...

Consider Experiment 2, Art. 4(a). 3,
(a) What would you do to obtain a large deflection of the galvanometer ?
(b) How would you demonstrate the presence of an induced current in the absence of a galvanmeter ?

Text Solution

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(a) The obtain a large deflection, one or more of the following steps can be taken :
(i) Use a soft iron rod inside the coil C.
(ii) Connect the coil C' to a powerful battery.
(iii) Move coil C' rapidly towards or away from coil C.
(b) Replace the galvanometer by a small bulb of torch light. The relative motion between the two coils will cause the bulb to glow indicating the production of induced current in coil C.
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