oucault loss is determined as 1W when 60 Hz sinusoidal voltage is applied to a transformer. If only the frequency is increased to 120Hz, provided that the flux density remains the same, how many Watts will the new value of this loss be? a) 3 b) square root 2 c) 1 d) 4 e)120/60

oucault loss is determined as 1W when 60 Hz sinusoidal voltage is applied to a transformer. If only the frequency is increased to 120Hz, provided that the flux density remains the same, how many Watts will the new value of this loss be? a) 3 b) square root 2 c) 1 d) 4 e)120/60

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter3: Magnetic Starters

Section: Chapter Questions

Problem 30SQ

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Question

Foucault loss is determined as 1W when 60 Hz sinusoidal voltage is applied to a transformer. If only the frequency is increased to 120Hz, provided that the flux density remains the same, how many Watts will the new value of this loss be?

a) 3 b) square root 2 c) 1 d) 4 e)120/60

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