Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Electric Power And Energy
Test Description: Laws of power and energy
Instructions: Answer all questions to get your test result.
1) The unit of power in SI unit is :
A
2- Ampere ,
B
3- Volt ,
C
1- Watt,
D
4- Joule
2) The unit of electric Energy :
A
2- Joule ,
B
4- Volt
C
1- Watt ,
D
3- Ampere,
3) The formula of power is :
A
P= U/R
B
2- P(W) = R(Ω) × I(A)
C
3- P(W) = U/I
D
1-P(W) = U(v) × I(A)
4) The inscriptions of a lamp are written as (120V; 60W) means :
A
3- 60 watt : Rated power ,
B
2- 60 W : Rated voltage ,
C
4- None of the above choices
D
1- 120 V : Rated power ,
5) 1 Kwatt:
A
4-1watt
B
3- 100watt ,
C
2- 10watt ,
D
1- 1000watt,
6) The inscriptions of a lamp are written as (120V; 60W) then the rated current :
A
4- 2 A
B
2- 3 A ,
C
3- 0.5 A ,
D
1- 1 A ,
7) The Reading of electric meter in our homes is in :
A
3- KJoule ,
B
1- Joule,
C
2-KwattHr ,
D
4- KWatt
8) The formula of energy is :
A
3 – E = P – t ,
B
1- E = P/t ,
C
4 – Pxt
D
2- E = P + t
9) Joule’s effect describes the energy lost in the circuit by
A
1- Lighting ,
B
3- Motion
C
2- Mechanical action ,
D
4- heating
10) The incandescent lamp produces Same light as Lead lamp then they have :
A
2 -Same powers,
B
1-Different powers ,
C
4- Same currents
D
3- Different voltages,
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?