القطة واحدIf supply frequency of a transformer decreases, the secondary output* voltage of the transformerDecreaseIncreaseAny of the aboveRemain the same O* The shunt excited D.C motor when field resistance increasednot changedecreasedincreasedThe speed will beThe torque will beThe current field willbeThe flux will beنقطة واحدةThe separately excited D.C generator when field resistance increased at. no load , which one is changeTorqueVoltage generatorLoad currentSpeed generatorThe secondary winding of which of the following transformers is always* ?kept openStep down transformeVoltage transformerCurrent transformerPower transformerO O OO o o oO o o oO OO O

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If supply frequency of a transformer decreases, the secondary output * voltage of the transformer Decrease O Increase Any of the above Remain the same

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Single Phase Transformer

A single-phase transformer is a type of power transformer. It is an electrical device that accepts converts the single phase alternating power into single phase alternating power. In this power conversion the voltage is stepped up or down. If the voltage is stepped up, the current will be stepped down and if the voltage is stepped down, the current will be stepped up.

Question

القطة واحد
If supply frequency of a transformer decreases, the secondary output
* voltage of the transformer
Decrease
Increase
Any of the above
Remain the same O
* The shunt excited D.C motor when field resistance increased
not change
decreased
increased
The speed will be
The torque will be
The current field will
be
The flux will be
نقطة واحدة
The separately excited D.C generator when field resistance increased at
. no load , which one is change
Torque
Voltage generator
Load current
Speed generator
The secondary winding of which of the following transformers is always
* ?kept open
Step down transforme
Voltage transformer
Current transformer
Power transformer
O O O
O o o o
O o o o
O O
O O

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