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Physics 10 Chapter 14 - Current and Electricity - 24
1.
What is the power of electric heater?
a) 5000 W
b) 1000 W
c) 1500 W
d) 800 W
2.
What is the power of washing machine?
a) 750 W
b) 1000 W
c) 1500 W
d) 800 W
3.
Which of the following electric appliance has the greater power?
a) Hair dryer
b) Electric heater
c) Iron
d) Electric stove
4.
What is the power of iron?
a) 800 W
b) 1000 W
c) 5000 W
d) 1500 W
5.
What is the power of hair dryer?
a) 5000 W
b) 1000 W
c) 1500 W
d) 800 W
6.
What type of energy is produced when water falls on turbine from higher gravitational potential to lower gravitational potential?
a) Potential energy
b) Nuclear energy
c) Mechanical energy
d) Electrical energy
7.
What is delivered by charge when it moves from a higher electric potential to a lower potential?
a) Potential energy
b) Nuclear energy
c) Power
d) Electric current
8.
Which of the following becomes a continuous source of electrical energy?
a) Field intensity
b) Electric current
c) Coulomb's force
d) Power
9.
Consider two points with a potential difference of V volts. If one coulomb of charge passes between these points. Then what will be the amount of energy delivered by the charge?
a) V joules
b) QV joules
c) Q joules
d) 5 joules
10.
Consider two points with a potential difference of V volts. If Q coulomb of charge passes between these points. Then what will be the amount of energy delivered by the charge?
a) QV joules
b) 5 joules
c) V joules
d) Q joules
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