Current Electricity and Electrical InstrumentEasy
Question
When a voltage of 20 volt is applied between the two ends of a coil, 800 cal/s heat is produced. The value of resistance of the coil is :-
(1calorie = 4.2 joule)
(1calorie = 4.2 joule)
Options
A.1.2 Ω
B.1.4 Ω
C.0.12 Ω
D.0.14 Ω
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