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4. An a-c generator has six poles and operates at 1,200 rpm. (a) What frequency does it generate? (b) At what speed must the generator operate to develop 25 cycles? 50 cycles? (c) How many poles are there in a generator that operates at a speed of 240 rpm and develops a frequency of 60 cycles? () -I Cycle- (0) Two poles - one cycle per revolution. N -2 Cycles (A Four poles-two cycles per revolution. AN LS NA LSJ ANA LS -3 Cycles- (c) Six poles -three cycles per revolution. Sketch illustrating the relation between the number of poles and the generated a-c frequency in cycles per revolution. Current Current Current

4. An a-c generator has six poles and operates at 1,200 rpm. (a) What frequency does it generate? (b) At what speed must the generator operate to develop 25 cycles? 50 cycles? (c) How many poles are there in a generator that operates at a speed of 240 rpm and develops a frequency of 60 cycles? () -I Cycle- (0) Two poles - one cycle per revolution. N -2 Cycles (A Four poles-two cycles per revolution. AN LS NA LSJ ANA LS -3 Cycles- (c) Six poles -three cycles per revolution. Sketch illustrating the relation between the number of poles and the generated a-c frequency in cycles per revolution. Current Current Current

Introductory Circuit Analysis (13th Edition)
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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4. An a-c generator has six poles and operates at 1,200 rpm. (a) What frequency does it generate? (b) At what speed must the generator operate to develop 25 cycles? 50 cycles? (c) How many poles are there in a generator that operates at a speed of 240 rpm and develops a frequency of 60 cycles? () -I Cycle- (0) Two poles - one cycle per revolution. N N -2 Cycles (A Four poles-two cycles per revolution. AN LS ANA LEJ ANA LSJ -3 Cycles (c) Six poles -three cycles per revolution. Sketch illustrating the relation between the number of poles and the generated a-c frequency in cycles per revolution. Current Current Current
Transcribed Image Text:4. An a-c generator has six poles and operates at 1,200 rpm. (a) What frequency does it generate? (b) At what speed must the generator operate to develop 25 cycles? 50 cycles? (c) How many poles are there in a generator that operates at a speed of 240 rpm and develops a frequency of 60 cycles? () -I Cycle- (0) Two poles - one cycle per revolution. N N -2 Cycles (A Four poles-two cycles per revolution. AN LS ANA LEJ ANA LSJ -3 Cycles (c) Six poles -three cycles per revolution. Sketch illustrating the relation between the number of poles and the generated a-c frequency in cycles per revolution. Current Current Current
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