Answered: N2 R. Primary Secondary

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 2.10P: Review. The North American and European plates of the Earths crust are drifting apart with a...

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Transformers:

Part A- The primary coil of a transformer contains 100 turns; the secondary has 200 turns. The primary coil is connected to a size-AA battery that supplies a constant voltage of 1.5 volts. What voltage would be measured across the secondary coil?

zero

0.75 VV

1.5 VV

3.0 V

Part B-

A transformer is intended to decrease the value of the alternating voltage from 500 volts to 25 volts. The primary coil contains 200 turns. Find the necessary number of turns N_2 in the secondary coil.

(Express answer in terms of N_2)

Part C- A transformer is intended to decrease the value of the alternating current from 500 amperes to 25 amperes. The primary coil contains 200 turns. Find the necessary number of turns N_2 in the secondary coil.

(Express answer in terms of N_2.)

Part D- In a transformer, the primary coil contains 400 turns, and the secondary coil contains 80 turns. If the primary current is 2.5 amperes, what is the secondary current I_2?

(Express answer in terms of amperes for I_2.)

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