Current Electricity Charging Discharging Of Capacitors Question 519
Question: Two wires with resistances R and 2R are connected in parallel, the ratio of heat generated in 2R and R is
[DCE 1999, 2000]
Options:
A) 1 : 2
B) 2 : 1
C) 1 : 4
D) 4 : 1
Show Answer
Answer:
Correct Answer: A
Solution:
$ H=\frac{V^{2}}{R}.,t $
Therefore $ \frac{H _{1}}{H _{2}}=\frac{R _{2}}{R _{1}}=\frac{R}{2R}=\frac{1}{2} $