1. An ideal transformer has a primary with 25 turns and secondary with 15 turns. The...

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Physics

1. An ideal transformer has a primary with 25 turns andsecondary with 15 turns. The load resistor is 24 ? and the sourcevoltage is 85 Vrms.What is the rms electric potential across the 24? load resistor?
Answer in units of Vrms
2. A transformer consists of two coils of wire wound on a commontoroidal iron core. The mutual inductance of the pair is 483 mH andthe current in the first coil decreases from 29 A to 0 in 2.9s.
What is the induced emf in the second coil? Answer in units ofV.
3.If the outer coil has 14.7 turns, a radius of 19 cm and lengthof 7.47 cm and the inner coil has 628 turns, a radius of 7 cm, anda length of 33.3 cm, find the mutual inductance of the circularcoil and solenoid.
Answer in units of ?H
4. Now the current in the solenoid is increased linearly at arate of di/dt = a =20.2 A/s.
What is the magnitude of the voltage E across the circularcoil?
Answer in units of ?V.

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3.6 Ratings (626 Votes)

1 An ideal transformer has a primary with 25 turns and secondary with 15 turns The load resistor is 24 and the source voltage is 85 VrmsWhat is the rms electric potential across the 24 load resistor V1V2 N1 N2 so V2 851525 51 so See Answer

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