Categories > Current Electricity > Heating Effect of Current > 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)

Current Electricity

Question: 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)


1) $1.2\,\Omega $
2) $1.4\,\Omega $
3) $0.12\,\Omega $
4) $0.14\,\Omega $
Solution: Explanation: No Explanation
Heating Effect of Current Electric Power

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)

Previous Question Next Question

Related Questions