Current Electricity Charging Discharging Of Capacitors Question 525

Question: In the circuit shown below, the power developed in the 6W resistor is 6 watt. The power in watts developed in the 4W resistor is

[AMU (Med.) 2000]

Options:

A) 16

B) 9

C) 6

D) 4

Show Answer

Answer:

Correct Answer: B

Solution:

$ P=\frac{V^{2}}{R} $

Therefore $ \frac{P _{1}}{P _{2}}=\frac{R _{2}}{R _{1}} $

Therefore $ \frac{6}{P _{2}}=\frac{4}{6}=\frac{2}{3} $

Therefore $ P _{2}=9,W $