A coil develops heat of 800 cal/sec. When 20 volts is applied across i – McqOptions

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1.	A coil develops heat of 800 cal/sec. When 20 volts is applied across its ends. The resistance of the coil is (1 cal = 4.2 joule) [MP PET 1994]
A.	\[1.2\,\Omega \]
B.	\[1.4\,\Omega \]
C.	\[0.12\,\Omega \]
D.	\[0.14\,\Omega \]
Answer» D. \[0.14\,\Omega \]

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