Electro Magnetic Induction And Alternating Currents Question 367

Question: When a magnet is pushed in and out of a circular coil C connected to a very sensitive galvanometer G as shown in the adjoining diagram with a frequency $ \nu $ , then

Options:

A) Constant deflection is observed in the galvanometer

B) Visible small oscillations will be observed in the galvanometer if $ \nu $ is about 50 Hz

C) Oscillations in the deflection will be observed clearly if $ \nu =1 $ or 2 Hz

D) No variation in the deflection will be seen if $ \nu =1 $ or 2 Hz

Show Answer

Answer:

Correct Answer: C

Solution:

When frequency is high, the galvanometer will not show deflection.



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