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Electric Power And Energy 9
Test Description: 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
Instructions: Answer all questions to get your test result.
1) One of the inscriptions Carried by the lamp is 100Watt, it means :
A
Rated Energy consumed by lamp
B
Rated power consumed by the lamp
C
Rated current of normal functioning of lamp
D
Rated voltage of normal functioning of lamp
2) The unit of the power of a resistor in SI unit Is :
A
Watt ( Watt )
B
Volt ( V )
C
Ampere ( A )
D
Joule ( J )
3) 1 Kwatt equals:
A
10 watt
B
10000 watt
C
100 watt
D
1000 watt
4) The formula of the electric power is given by :
A
P = I/U
B
P = U I
C
P = U/I
D
None of the above choices
5) The rated power of Economic lampis :
A
1100 watt
B
1000 watt
C
750 watt
D
20 watt
6) The electric meter of (EDL ) measures
A
The rated current
B
The resistance
C
The rated voltage
D
The consumed electric energy
7) The units of electric energy in electric meter of (EDL) is
A
KWattHr
B
Joule
C
All choices
D
Watt Hr
8) The transformation of electric energy into Heat is called :
A
Hooke’s effect
B
Joule’s effecy
C
All of the choices.
D
Ohm’s effect
9) The advantage of Joule’s effect appears in :
A
All choices
B
Iron
C
Electric lamp
D
Electric Motor
10) Two lamps One Incandescent ( 200Watt ) consumes in 10 hrs per day :
A
200 KWatt Hr
B
2 KWatt Hr
C
2000 KWatt Hr
D
20 KWatt Hr
*select an answer for all questions
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