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What is power factor, and how does it impact energy efficiency?

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Important Questions on Current Electricity

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Science>Physics>Current Electricity>Efficient Use of Energy
Which material is best for insulating homes?
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Science>Physics>Current Electricity>Efficient Use of Energy
Which of the following energy sources is most efficient for household use?
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Science>Physics>Current Electricity>Efficient Use of Energy
Which fuel is commonly used in thermal power plants?
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Science>Physics>Current Electricity>Efficient Use of Energy
What is the unit of electrical energy consumption?
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Science>Physics>Current Electricity>Efficient Use of Energy
Which appliance is known for high energy consumption?
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Science>Physics>Current Electricity>Efficient Use of Energy
How does insulating homes improve energy efficiency?
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Science>Physics>Current Electricity>Efficient Use of Energy
How can energy loss in transmission lines be minimized?
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Science>Physics>Current Electricity>Efficient Use of Energy
The most non-polluting and efficient lighting device is:
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Science>Physics>Current Electricity>Efficient Use of Energy
What is the role of timers in efficient energy use?
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Science>Physics>Current Electricity>Efficient Use of Energy
What environmental issue is primarily associated with the burning of coal in thermal power plants?
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Science>Physics>Current Electricity>Efficient Use of Energy
What is the primary cause of energy loss in transmission lines?
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Science>Physics>Current Electricity>Efficient Use of Energy
Which device can improve energy efficiency in electric circuits?
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Science>Physics>Current Electricity>Efficient Use of Energy
Why is using renewable energy sources considered efficient?
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Science>Physics>Current Electricity>Efficient Use of Energy
Which of the following appliances is most energy-efficient?
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Science>Physics>Current Electricity>Efficient Use of Energy
The energy resource for the thermal power plants is 
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Science>Physics>Current Electricity>Efficient Use of Energy
Why is it important to reduce standby power consumption?
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Science>Physics>Current Electricity>Efficient Use of Energy
Cotyledons are also called-
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Science>Physics>Current Electricity>Efficient Use of Energy
IEA is the short form of:
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Science>Physics>Current Electricity>Efficient Use of Energy

 Which of the following is a problem associated with the disposal of coal ash from thermal power plants?

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Science>Physics>Current Electricity>Efficient Use of Energy
What is energy efficiency?