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A coil develops heat of 800 cals/sec, when 20 V is applied across it. The resistance of the coil (1 cal = 4.2 J) is (i) 0.4 2 (iii) 0.36 Q %3D (ii) 0.24 2 (iv) 0.12 2

A coil develops heat of 800 cals/sec, when 20 V is applied across it. The resistance of the coil (1 cal = 4.2 J) is (i) 0.4 2 (iii) 0.36 Q %3D (ii) 0.24 2 (iv) 0.12 2

Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter18: Resistive-inductive Parallel Circuits
Section: Chapter Questions
Problem 1PA: Incandescent lighting of 500 W is connected in parallel with an inductive load. A clamp-on ammeter...
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A coil develops heat of 800 cals/sec. when 20 V is applied across it. The resistance of the coil (1 cal = 4.2 J) is %3D (i) 0.4 2 (iii) 0.36 Q (ii) 0.24 Q (iv) 0.12 2
Transcribed Image Text:A coil develops heat of 800 cals/sec. when 20 V is applied across it. The resistance of the coil (1 cal = 4.2 J) is %3D (i) 0.4 2 (iii) 0.36 Q (ii) 0.24 Q (iv) 0.12 2
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