Electric Power And Energy 9 Question Preview (ID: 50929)
The Various Electric Home Appliances And Electric Devices In Industry And Home Uses, In This Game We Are Going To Study The Electric Power Energy.
TEACHERS: click here for quick copy question ID numbers.
One of the inscriptions Carried by the lamp is 100Watt, it means :
a) Rated power consumed by the lamp
b) Rated voltage of normal functioning of lamp
c) Rated current of normal functioning of lamp
d) Rated Energy consumed by lamp
The unit of the power of a resistor in SI unit Is :
a) Volt ( V )
b) Watt ( Watt )
c) Ampere ( A )
d) Joule ( J )
1 Kwatt equals:
a) 100 watt
b) 10 watt
c) 1000 watt
d) 10000 watt
The formula of the electric power is given by :
a) P = U/I
b) P = I/U
c) P = U I
d) None of the above choices
The rated power of Economic lampis :
a) 750 watt
b) 1000 watt
c) 1100 watt
d) 20 watt
The electric meter of (EDL ) measures
a) The consumed electric energy
b) The rated voltage
c) The rated current
d) The resistance
The units of electric energy in electric meter of (EDL) is
a) KWattHr
b) Joule
c) Watt Hr
d) All choices
The transformation of electric energy into Heat is called :
a) Hooke’s effect
b) Joule’s effecy
c) Ohm’s effect
d) All of the choices.
The advantage of Joule’s effect appears in :
a) Electric Motor
b) Iron
c) Electric lamp
d) All choices
Two lamps One Incandescent ( 200Watt ) consumes in 10 hrs per day :
a) 20 KWatt Hr
b) 2000 KWatt Hr
c) 2 KWatt Hr
d) 200 KWatt Hr
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