Home
Class 12
PHYSICS
An electric heater has heating coils A a...

An electric heater has heating coils A and B , when coil A is switched on, the water boils in 10 minuts, and when coil B is switched on the water boils in 20 minuts. Calculate the time taken by water, to boil if the coils conneted in
(a) Series and (b) Parallel all switched on.

Promotional Banner

Similar Questions

Explore conceptually related problems

An electric kettle has two heating coils. When one of them is switched on water in it boils in 6 minutes and when other is switched on water boils in 4 minutes. In what time will the water boil if both coil are switched on simultaneously

An electric kettle has two coils. When one of these is switched on, the water in the kettle boils in 15 minutes. When the other is switched on, the water boils in 30 minutes. In how many minutes will water boil if the coils are connected in series and switched on?

An electric kettle has two coils of same power . When one coil is switched on , it takes 15 min to boil water , and when the second coil is switched on , it takes 30 min . How long will it take to boil water when both the coils are used in i . Series and ii . parallel?

An electric kettle has two coils of same power . When one coil is switched on , it takes 15 min to boil water , and when the second coil is switched on , it takes 30 min . How long will it take to boil water when both the coils are used in i . Series and ii . parallel?

An electric kettle has two coils. When one of these is switched on, the water in the kettle boils in 6 minutes. When the other coil is switched on, the water boils in 3 minutes. If the two coils are connected in series, find the time taken to boil the water in the kettle.

An electric kettle has two coils. When one of these is switched on, the water in the kettle boils in 6 minutes. When the other coil is switched on, the water boils in 3 minutes. If the two coils are connected in series, find the time taken to boil the water in the kettle.

An electric kettle has two coils. When one of these is switched on, the water in the kettle boils in 6 minutes. When the other coil is switched on, the water boils in 3 minutes. If the two coils are connected in series, find the time taken to boil the water in the kettle.

An electric kettle has two coils. When one coil is switched an it takes 5 minutes to boil water and when second coil is switched on it takes 10 minutes .How long will it take to boil water, when both the coil are used in series ?

An electric kettle has two heating coils. when one coil is used, water in the kettle boils in 5 minutes, while when second coil is used, same water boils in 10 minutes. If the two coils, connected in parallel are used simultaneously.the same water will boil in time