science · Physics · Electricity and Magnetism
The cost of energy to operate an industrial refrigerator that consumes 5 kW power working 10 hours per day for 30 days will be (Given that the charge per kWh of energy = ₹4)
Related questions
A 100 W electric bulb is used for 10 hours a day. How many units of electrical energy are consumed by the bulb in 3 days ? (1 unit = 1 kWh)
Electricity and MagnetismAn electric bulb is connected to a 110 V generator. The current is 0.2 A. What is the power of the bulb?
Electricity and MagnetismAn electric bulb is connected to 220 V generator. The current drawn is 600 mA. What is the power of the bulb?
Electricity and MagnetismAn electric bulb is rated as 220 V and 80 W. When it is operated on 10 V, the power rating would be :
Electricity and MagnetismThe work done in moving a charge of 2 coulomb (C) from point A to point B is 24 J. What is the potential difference between A and B?
Electricity and Magnetism