(a)What is greenhouse effect ?
(b)Name two elemental forms of carbon.
(c)Define power. State the commercial unit and SI unit of electrical energy.
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a) Greenhouse effect is heating of earth due rise in temperature because of greenhouse gases which increase the temperature of earth .
b) two elemental forms of carbon are - graphite and diamond
c) Power (electric power) -
Electric power is defined as the amount of energy consumed in a circuit per unit time
Electrical Energy - The work done by a source of electricity to maintain a current in an electric circuit is known as electric energy.
SI Unit of electrical energy - joule (j)
Commercial unit of electrical energy ⚡ -
Kilowatt - Hour (kWh)
b) two elemental forms of carbon are - graphite and diamond
c) Power (electric power) -
Electric power is defined as the amount of energy consumed in a circuit per unit time
Electrical Energy - The work done by a source of electricity to maintain a current in an electric circuit is known as electric energy.
SI Unit of electrical energy - joule (j)
Commercial unit of electrical energy ⚡ -
Kilowatt - Hour (kWh)
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