e. 4- The effect of increasing load on a synchronous motor running with normal excitation is to a. Increase both its Ia and p.f. b. Increase Ia but decrease p.f. c. Decrease both Ia and p.f. d. Decrease la but increase p.f. e. None of above 5- An instrument is used for lowering the value of voltage for measuring and protection is a. Circuit breaker b. Protection relay c. Isolator d. Current transformer e. Potential transformer are the protective devices used for protection of equipment from lightning strokes a. Isolators b. Lighting arrestors c. Busbars d. Fuses e. Wave trap 7- The range of voltages between 1KV to 35kV is classified as: a. Low voltage b. Medium voltage c. High voltage d. Extra high voltage e. Ultra high voltage 6-

e. 4- The effect of increasing load on a synchronous motor running with normal excitation is to a. Increase both its Ia and p.f. b. Increase Ia but decrease p.f. c. Decrease both Ia and p.f. d. Decrease la but increase p.f. e. None of above 5- An instrument is used for lowering the value of voltage for measuring and protection is a. Circuit breaker b. Protection relay c. Isolator d. Current transformer e. Potential transformer are the protective devices used for protection of equipment from lightning strokes a. Isolators b. Lighting arrestors c. Busbars d. Fuses e. Wave trap 7- The range of voltages between 1KV to 35kV is classified as: a. Low voltage b. Medium voltage c. High voltage d. Extra high voltage e. Ultra high voltage 6-

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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