A secondary coil is located inside a primary coil. The coils contain no ferromagnetic core. A) The amplitude of the AC voltage (and current) in the primary coil is doubled. What would be the change of the induced emf (ε) amplitude in the secondary coil of the two-coil system? Hint: use Faraday's Law. ε would be halved ε would stay the same ε would be four times larger ε would double ε would be four times smaller B)The frequency of the AC voltage (and current) in the primary coil is doubled. What would be the change of the induced emf (ε) amplitude in the secondary coil of the two-coil system? Hint: use Faraday's Law. ε would be halved ε would stay the same ε would be four times larger ε would double ε would be four times smaller C)Both the amplitude and frequency of the AC voltage (and current) in the primary coil is doubled. What would be the change of the induced emf (ε) amplitude in the secondary coil of the two-coil system? Hint: use Faraday's Law. Both the amplitude and frequency of the AC voltage (and current) in the primary coil is doubled. What would be the change of the induced emf (ε) amplitude in the secondary coil of the two-coil system?Hint: use Faraday's Law. ε would be halved ε would stay the same ε would be four times larger ε would double ε would be four times smaller
A secondary coil is located inside a primary coil. The coils contain no ferromagnetic core.
A) The amplitude of the AC voltage (and current) in the primary coil is doubled. What would be the change of the induced emf (ε) amplitude in the secondary coil of the two-coil system? Hint: use Faraday's Law.
ε would be halved
ε would stay the same
ε would be four times larger
ε would double
ε would be four times smaller
B)The frequency of the AC voltage (and current) in the primary coil is doubled. What would be the change of the induced emf (ε) amplitude in the secondary coil of the two-coil system? Hint: use Faraday's Law.
| ε would be halved |
| ε would stay the same |
| ε would be four times larger |
| ε would double |
| ε would be four times smaller |
C)Both the amplitude and frequency of the AC voltage (and current) in the primary coil is doubled. What would be the change of the induced emf (ε) amplitude in the secondary coil of the two-coil system? Hint: use Faraday's Law.
Both the amplitude and frequency of the AC voltage (and current) in the primary coil is doubled. What would be the change of the induced emf (ε) amplitude in the secondary coil of the two-coil system?Hint: use Faraday's Law.
| ε would be halved |
| ε would stay the same |
| ε would be four times larger |
| ε would double |
| ε would be four times smaller |
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