An electric iron of resistance 20 ohm takes a current of 5 A. The heat

1.	An electric iron of resistance 20 ohm takes a current of 5 A. The heat flow in 30 s is:
A.	\(1.5 \times 10^4 \ J\)
B.	\(2.5 \times 10^2 \ J\)
C.	\(1.5 \times 10^5 \ J\)
D.	\(1.5 \times 10^2 \ J\)
Answer» B. \(2.5 \times 10^2 \ J\)

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An electric iron of resistance 20 ohm takes a current of 5 A. The heat flow in 30 s is:

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