Current Electricity Charging Discharging Of Capacitors Question 439

Question: Two electric bulbs whose resistances are in the ratio of 1 : 2 are connected in parallel to a constant voltage source. The powers dissipated in them have the ratio

[NCERT 1977; MP PMT 1994, 2000]

Options:

A) 1 : 2

B) 1 : 1

C) 2 : 1

D) 1 : 4

Show Answer

Answer:

Correct Answer: C

Solution:

We know that $ \frac{P _{1}}{P _{2}}=\frac{R _{2}}{R _{1}}=\frac{2}{1} $