How long will it take to heat 3 kg of water from 28°C to 88°C...
PHYSICS
WAEC 1990
How long will it take to heat 3 kg of water from 28°C to 88°C in an electric taking a current of 6 A from an e.m.f. source of 220V?
- A. 96s
- B. 1.20s
- C. 570s
- D. 600s
Correct Answer: C. 570s
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