A potential difference of 6v is used to produce a current of 5A for 200s through a heating coil. The heat produced is
A
4800 cal
B
6000 cal
C
2400J
D
240k cal
E
6000J
Verified Correct Answer: E.
Physical Principles & Numerical Solution
Heat energy = Elect. energy = Ivt
= 5 x 6 x 200
= 6,000J
Source: Myschool Past Questions Archive (Record #29299)