Home
Class 12
PHYSICS
Two elelctric bulbs P and Q have their ...

Two elelctric bulbs P and Q have their resistance in the ratio of 1: 2. They are connected in series across a battery. Find the ratio of the power dissipation in these bulbs.

A

`2:1`

B

`1:1`

C

`1:4`

D

`1:2`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Two bulbs whose resistances are in the ratio of 1 : 2 are connected in parallel to a source of constant voltage. What will be the ratio of power dissipation in these?

If electric bulbs having resistances in the ratio 2 : 3 are connected in parallel to a voltage sources of 220 V. The ratio of the power dissipated in them is

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

Two wires 'A' and 'B' of the same material have their lengths in the ratio 1 : 2 and radii in the ratio 2 : 1 The two wires are connected in parallel across a battery. The ratio of the heat produced in 'A' to the heat produced in 'B' for the same time is

Three 60 W, 120 V light bulbs are connected across a 120 V source as shown in figure. The total power dissipation in the three bulbs are

Two bulbs 60 W and 100 W designed for voltage 220 V are connected in series across 220 V source. The net power dissipated is

Two electric bulbs rated P_(1) and P_(2) watt at V volt are connected in series across V volt mains then their total power consumption P is

Two bulbs are marked 220 V, 100 W and 220 V, 50W respectively. They are connected in series to 220 V mains. Find the ratio of heats generated in them.

When electric bulbs of same power, but different marked voltage are connected in series across the power line, their brightness will be :

Two bulbs, when connected in series, are brighter than a single bulb.