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The unit of electrical energy is
- a)Watt
- b)Kilo-Watt
- c)Kilo-watt-hour
- d)Joule
Correct answer is option 'C'. Can you explain this answer?
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The unit of electrical energy isa)Wattb)Kilo-Wattc)Kilo-watt-hourd)Jou...
Unit of Electrical Energy
The unit of electrical energy is Kilo-watt-hour (kWh).
Explanation
- Electrical energy is the amount of work done by an electric current in a given time.
- It is measured in units of power and time.
- The unit of power is Watt (W) and the unit of time is hour (h).
- Therefore, the unit of electrical energy is Watt-hour (Wh).
- However, for practical purposes, the unit of electrical energy is expressed in Kilo-watt-hour (kWh) because the amount of energy consumed by a household or an industry is usually large.
- 1 kWh is equal to the energy consumed by a 1 kW appliance for 1 hour.
- It is a common unit used by electric companies to calculate the energy consumption by a customer and charge accordingly.
Conclusion
The correct answer is option 'C' which is Kilo-watt-hour (kWh).
The unit of electrical energy is Kilo-watt-hour (kWh).
Explanation
- Electrical energy is the amount of work done by an electric current in a given time.
- It is measured in units of power and time.
- The unit of power is Watt (W) and the unit of time is hour (h).
- Therefore, the unit of electrical energy is Watt-hour (Wh).
- However, for practical purposes, the unit of electrical energy is expressed in Kilo-watt-hour (kWh) because the amount of energy consumed by a household or an industry is usually large.
- 1 kWh is equal to the energy consumed by a 1 kW appliance for 1 hour.
- It is a common unit used by electric companies to calculate the energy consumption by a customer and charge accordingly.
Conclusion
The correct answer is option 'C' which is Kilo-watt-hour (kWh).
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Community Answer
The unit of electrical energy isa)Wattb)Kilo-Wattc)Kilo-watt-hourd)Jou...
The unit of electrical energy is kilo watt hour because the 1 unit equals to 1kwh the energy is measured in units
the 1 unit equals to thousand watts of energy consumed in one hour so option is c
then unit of power is watt
killo watt is 1000 watt
1kwh fir energy
joule mechanical power
the 1 unit equals to thousand watts of energy consumed in one hour so option is c
then unit of power is watt
killo watt is 1000 watt
1kwh fir energy
joule mechanical power
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