Advertisements
Advertisements
प्रश्न
Name the S.I. unit of electrical energy. How is it related to Wh?
Advertisements
उत्तर
The S.I. unit of electrical energy is joule.
1 Wh = 3600 J
APPEARS IN
संबंधित प्रश्न
A bulb is connected to a battery of p.d 4 V and internal resistance 2.5 Ω. A steady current of 0.5 A flows through the circuit. Calculate:
- the total energy supplied by the battery in 10 minutes
- the resistance of the bulb and
- the energy dissipated in the bulb in 10 minutes.
Write an expression for the electrical energy spent in flow of current through an electrical appliance in terms of current, resistance and time.
What is consumed while using different electrical appliances, for which electricity bills are paid?
How do kilowatt and kilowatt-hour differ?
When a current I flows through a resistance R for time t, the electrical energy spent is given by ______.
Find out the energy conversion that takes place in the following.
Electric fan : ________
Find out the energy conversion that takes place in the following.
Speaker ______.
Electrical energy is used to run electric trains.
What are the different forms of energy?
Electric eel is a ______.
What are the different ways electricity can be generated?
Write the uses of Electric energy.
Choose the odd one:
Units of electrical energy are ______
Name the physical quantity which is measured in Wh.
A bulb of power 60 W is used for 12.5 h each day for 30 days. Calculate the electrical energy consumed.
