Home
Class 8
PHYSICS
An electric kettle of power 2 kW is used...

An electric kettle of power 2 kW is used for 1 minute. Find the energy supplied by the kettle.

Text Solution

Verified by Experts

The correct Answer is:
120000 J
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    ICSE|Exercise Picture Study |3 Videos
  • WORK AND ENERGY

    ICSE|Exercise Exercises (Section II) Long answer questions |7 Videos
  • SOUND

    ICSE|Exercise Picture Study |4 Videos

Similar Questions

Explore conceptually related problems

An electric heater of power kW is used for 10 h.How much energy does it consume?Express your answer in (i)kWh, (ii)joule .

If an electric iron of 1200 W is used for 30 minutes everyday, find electric energy consumed in the month of Aprill.

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 motor of power 100 W is used to drive the stirrer in a water bath. If 50% of the energy supplied to the motor is spent in stirring the water,calculate the work done on water in one minute.

An electric motor of power 3 kW is to be operated at mains of 220 V. Find the current rating of the fuse to be connected with the motor.

Water boils in an electric kettle in 15 min after being switched on . Using the same main supply , should the length of the heating element be increased or decreased if the water is to be boiled in 10 min ? Why ?

In a home experiment , Ram brings a new electric kettle with unknown power rating . He puts 1 litre water in the kettle and switches on . But to his dismay , the temperature becomes constants at 60^(@)C after some time. The room temperature is 20^(@)C . Ram gets bored and switches off the kittle . He sees that during first 20 s water cools down by 2^(@)C . What is the wattage of the kettle

In a home experiment , Ram brings a new electric kettle with unknown power rating . He puts 1 litre water in the kettle and switches on . But to his dismay , the temperature becomes constants at 60^(@)C after some time. The room temperature is 20^(@)C . Ram gets bored and switches off the kittle . He sees that during first 20 s water cools down by 2^(@)C . What is the time taken for the water to cool to 40^(@)C . (Approx)

Figure (A) and (B) show two resistors with resistances R_(1) and R_(2) connected in parallel and in series. The battery has a terminal voltage of e. Suppose R_(1) and R_(2) are connected in parallel . (a) Find the power delivered to each resistor. (b) Show that the power used by each resistor is equal to the power supplied by the battery . Suppose R_(1) and R_(2) are now connected in series (c ) Find teh power delivered to each resistor. (d) Show that the sum of the power by each resistor is equal to the power supplied by the battery. (e ) Which configuration , parallelor series, uses more power ?

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