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A heating coil is labelled 100 W, 220 V,...

A heating coil is labelled 100 W, 220 V, the coil is cut in half and two pieces are joined in parallel to the same source. t/he energy now liberated per second is

A

200 J

B

400 J

C

25 J

D

50 J

Text Solution

Verified by Experts

The correct Answer is:
B
Resistance is reduced four times.
`P prop 1/R, P = 400 Js^(-1)`, Power consumption will increase 4 times.
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