Question

2 Irons P & Q have resistances 10 Ω & 20 Ω. Both are connected to a voltage source of 220V for 3 minutes. Find the ratio of heat generated in P to Q
A. 1:2
B. 2:1
C. 1:4
D. 4:1

Answer as fast as possible...

Answer 1

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Answer 2

Answer:

1. B 2 ratio 1 is correct answer