The maximum value of the emf in the primary coil (NP = 1600) of a transformer is 215 V. (a) What is the maximum induced emf in the secondary coil (NS = 650)? (b) What is the ratio of the current in the primary coil to the current in the secondary coil

The maximum value of the emf in the primary coil (NP = 1600) of a transformer is 215 V. (a) What is the maximum induced emf in the secondary coil (NS = 650)? (b) What is the ratio of the current in the primary coil to the current in the secondary coil

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter15: Alternating-current Circuits

Section: Chapter Questions

Problem 48P: A transformer is used to supply a 12-V model train with power from a 110-V wall plug. The train...

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Question

The maximum value of the emf in the primary coil

(N_P = 1600)

of a transformer is 215 V.

(a) What is the maximum induced emf in the secondary coil

(N_S = 650)?

(b) What is the ratio of the current in the primary coil to the current in the secondary coil

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