Lab Manual for Smith's Electricity for Refrigeration, Heating, and Air Conditioning, 9th
9th Edition
ISBN: 9781285180014
Author: Russell E. Smith
Publisher: Cengage Learning
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17. Three resistors of 3, 4 and 5 1 poini
ohms each are connected in
parallel. What is the equivalent
resistance? *
O 1.3 ohms
O 6.7 ohm
O 12 ohms
O .08 ohms
Question 7
In no-load phasor diagram of the transformer, the core loss component current is
with primary voltage.
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O in phase
O Perpendicular & in phase
Question 8
In an A.C. circuit, the power measured by using wattmeter is
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Question 9
In step up transformer, secondary turns are less than primary turns.
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7. Given the following circuit and at a frequency of 200 Hz, what is is ZT and þZT ?
ZT
0.1 mF
16 mH
elle
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Lab Manual for Smith's Electricity for Refrigeration, Heating, and Air Conditioning, 9th
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