(a) What would be the change of the induced emf (s) in the secondary coil of a t

Question

(a) What would be the change of the induced emf (s) in the secondary coil of a two coil system ( without ferromagnetic core ) if the amplitude of the a.c. voltage and current in the primary coil would double?: (Hint: Use the Faraday's Law Equation) I. E would be halved 2. E would double 3. E would stay the same 4. E would be 4 times smaller 5. E would be 4 times larger (b) What would be the change of the induced emf in the secondary coil of a two coil system ( without ferromagnetic core ) if the frequency of the current in the primary coil would double?: 1. E would be halved 2. E would double 3. E would stay the same 4. E would be 4 times smaller 5. E would be 4 times larger (c) What would be the change of the induced emf in the secondary coil of a two coil system ( without ferromagnetic core ) if both the amplitude and the frequency of the current in the primary coil would double?: 1. E would be halved 2. E would be 4 times larger 3. E would stay the same 4. E would be 4 times smaller 5. E would double

Explanation / Answer

a) 2

b)2

c)2

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