A coil heat certain amount of water in 2...

A coil heat certain amount of water in 20 min. Another coil heat the same water for temperature rise in 60min. If two coils are connected in parallel find time taken to heat same water for same temperature rise.

10 min

15 min

80 min

60 min

Text Solution

AI Generated Solution

Topper's Solved these Questions

JEE MAIN 2021
JEE MAINS PREVIOUS YEAR|Exercise PHYSICS SECTION B|30 Videos
JEE MAIN 2023
JEE MAINS PREVIOUS YEAR|Exercise Question|455 Videos

Similar Questions

Explore conceptually related problems

An electric kettle has tow heating coils. When one of the coils connected to an AC source, the water in the kettle boils in 10 min. when the other coil is used the water boils in 40 min. if both the coils are connected in parallel, the time taken by the same quantity of water of boil will be

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.

A heater boils certain amount of water in 15 minutes. Another heater boils same amount of water in 10 minutes. Time taken to boil same amount of water when both are used in parallel is

One filament takes 10min to heat a kettle and another takes 15 min. If connected in parallel they combindly take………min to heat the same kettle:

A heater boils certain amount of water in 15 minute . Another heater boils same amount of water in 10 minutes . Time takes to boil same amount of water when both are used in parallel is .

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

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

One heater coil takes time t_1 to heat a glass of water and another takes time t_2 to heat the same amount of water. How much time will it take to heat the same amount of water when the two are connected in series and when the two are connected in parallel ? voltage applied is same in all cases.

JEE MAINS PREVIOUS YEAR-JEE MAIN 2022-Question

Half life of a substance is 5 days. Initial activity is 2.56 xx 10^-3....
Text Solution
|
In an LCR alternating circuit, the amplitude of current varies with an...
Text Solution
|
A coil heat certain amount of water in 20 min. Another coil heat the s...
Text Solution
|
Three point charges each of charge q are arranged at vertices of an eq...
Text Solution
|
A ball can be thrown maximum of 100m horizontally. The maximum height ...
Text Solution
|
Two blocks are connected with help of a string as shown. If coefficien...
Text Solution
|
For same current in series and parallel then r = ?
Text Solution
|
Half life is 5years. How much time for nucleus to become 6.25%?
Text Solution
|
If height of a radio station tower is h and cover the area A. Then the...
Text Solution
|
An object starts moving with constant acceleration 'a'. Distance trave...
Text Solution
|
A particle is released from rest from height of y0 from ground as show...
Text Solution
|
The speed of light in media M1 and M2 are 1.5 xx 10^8 m//s and 2.0 xx ...
Text Solution
|
A gas expands from V1 to V2 along three different processes i.e. isoth...
Text Solution
|
Moment of inertia of uniform rod about an axis perpendicular to it and...
Text Solution
|
Two infinitely long conductors carry same current are coplanar with a ...
Text Solution
|
In circuit shown, when a voltmeter of resistance 2000ohm is connected ...
Text Solution
|
A simple pendulum starts oscillating as per equation x = A cos (pi t +...
Text Solution
|
Two point charges of magnitude Q each are fixed at A and B. At what di...
Text Solution
|
Calculate value of expression (0.002858 xx 0.112)/0.5702 and mark the ...
Text Solution
|
A block of mass m is kept inside a box. The box is falling down with a...
Text Solution
|