Answered: please answer all question which four )…

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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please answer all question which four ) no need to write your explnation

6.A current transformer is a

A.transformer used with an AC voltmeter

B.transformer used with a DC ammeter

C.transformer used with a DC voltmeter

D.transformer used with an AC ammeter

7.The primary winding of a current transformer has

A.a larger number of turns

B.a few turns only

C.no turns

D.intermediate number of turns

8/ Relation between primary winding and secondary winding for a potential transformer is given by

A.n = ^N_p ⁄ _Ns

B.n = N_s

C.n = ¹ ⁄ _Np

D.n = ^N_s ⁄ _Np

_{9.Two wattmeters connected to measure the total power on a three-phase system supplying a balance load read W1 = 10.3 kW and W2 = –2.3 kW, respectively. Calculate the total power.}

A.–8.0 kW

B.8.0 kW

C.–12.6 kW

D.12.6 kW

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