Home
Class 12
PHYSICS
What is the no. of kWh in 1 joule ?...

What is the no. of kWh in 1 joule ?

Text Solution

Verified by Experts

As `3.6 xx 10^(6)J = 1 kWh` ,
therefore, `1 J = 1/(3.6xx10^(6)) kWh = 2.77 xx 10^(-7) kWh`
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    PRADEEP|Exercise Conceptual Problems|3 Videos
  • CURRENT ELECTRICITY

    PRADEEP|Exercise Very short Q/A|7 Videos
  • COMMUNICATION SYSTEMS

    PRADEEP|Exercise MODEL TEST PAPER-2|9 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    PRADEEP|Exercise Exercise|191 Videos

Similar Questions

Explore conceptually related problems

What is the ratio of kWh to MeV?

What is the work done In joules if a 100-kg ball is raised to 3 m above the floor in 1 second ?

What is the energy , in joule , associated with a photon of wavelength 4000 Å ?

An electric refrigerator rated 400 V operates 8 hour//day. What is the cost of the energy to operate it for 30 days at Rs. 3.00 per kWh ?

What is the ratio of 1 KWh (kilowatt hour) to 1 MeV (million electron volt)?

What is the meaning of the symbol kWh? Which quantity does it represent?

(a) What is the meaning of the symbol kWh ? What quantity does it represent ? (b) How much electric energy in kWh is comsumed by an electrical appliance of 1000 watts when it is switched on for 60 minutes ?

What is the number of photons of light with wavelength 4000 pm which provide 1 Joule of energy ?

An electric heater draws a current of 10A from a 220V supply. What is the cost of using the heater for 5 hours everyday for 30 days if the cost of 1 unit (1 kWh) is Rs 5.20?

What is the power of a machine which does 1000 joules of work in 10 seconds ?