Home
Class 12
PHYSICS
In an electric heater 4 amp current pass...

In an electric heater 4 amp current passes for 1 minute at potential difference of 250 volt , the power of heater and energy consumed will be respectively

A

1 kW, 60 kJ

B

`0.5` kW, 30 kJ

C

10 kW, 600 kJ

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • HEATING AND CHEMICAL EFFECT OF CURRENT

    ERRORLESS |Exercise Heating Effect of Current|2 Videos

  • HEATING AND CHEMICAL EFFECT OF CURRENT

    ERRORLESS |Exercise Chemical Effect Current|1 Videos

  • ELECTROSTATICS

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Electric Flux and Gauss.s Law)|28 Videos

  • KINETIC THEORY OF GASES

    ERRORLESS |Exercise QUESTIONS|126 Videos

Similar Questions

Explore conceptually related problems

An electric motor takes 5 amperes current from a 220 volt supply line. Calculate the power of the motor and electrical energy consumed by it in 2 hours.

An electric heater of resistance 6 ohm is run for 10 minutes on a 120 volt line. The energy liberated in this period of time is

An electric heater a current of 5 A and its element has a resistance of 50 Omega . If the heater is switched on for 5 minutes, calculate the energy released in kilojoules.

When a proton is accelerated with 1 volt potential difference, then its kinetic energy is

An electric current of 8 A is made to flow through a room heater of resistance 30 omega . Calculate (1) the potential difference across the heater. (2) the power supplied to the heater. (3) the amount of heat energy liberated from it in one minute. (4) If the heater is used for 10 hours daily in the months of December, then find the num ber of units of electrical energy consumed by it.

The energy consumed in 1 kilowatt electric heater in 30 seconds will be

An electrical heater and a capacitor are joined in series across a 220V, 50Hz, AC supply. The potential difference across the heater is 90V . The potential difference across the capacitor will be about: