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WorksheetsPower Systems
Total questions: 15
Worksheet time: 10mins
What is the energy possessed by a charge due to its position in an electric field?
electrical potential energy
electrical kinetic energy
electrical mechanical energy
electrical potential difference
kWh stand for
kilowestohm
kilometwer
kilowatt hour
kilowatt hour is equa to
1000W for 3600s
1500W for 3600s
1000W for 3000s
500W for 10s
Which of the following equations is an equation for power, involving current and resistance?
P= I/V
P = IR
P = IVR2
P = I2R
If electrical power costs $0.12/kwh, and I use 9 x 108 Joules of electrical energy, what will I be charged?
$10
$20
$30
$40
one method of reducing dependence on fuel wood biomass, particularly in developing countries, and thereby reducing deforestation is to implement the use of
photovoltaic solar systems to serve home heating needs
solar cookers instead of wood fired stoves
Hydrogen fuel cell stoves instead of wood fired stoves
hybrid electric heaters instead of fires
wind powered refrigeration
Energy can neither be created nor destroyed but still everybody discuss about the energy crisis because
Energy transform into different form continuously.
Usable form of energy is dissipated to the surroundings in less usable forms.
Energy is consumed and cannot be used again
All of these
An ideal source of energy should have
higher calorific value
easy transportability
easy accessibility
All of these
Distributing Substation
is connected to power stations via transmission lines
distributes voltage up 66kV
distributes voltage up 115Vac
