# Short Quiz in Science 9 differentiate electrical power and electrical energy

## Quiz by Quizalize Premium (Philippines)

Science

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5 questions
• Q1
A current of 0.5 A flows through a resistance of 10 ohms for half an hour. Find the amount of electrical energy consumed by the resistance.
2.5 A
79.2 W
22500 J or 22.5 KJ
4500 J or 4.5 KJ
30s
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• Q2
An electric appliance labelled 80 W. What does the label means?
The rate of change of power is 80 W
The rate of change of voltage is 80 V
The rate of change of energy is 80 J/s
The rate of change of current is 80 A
30s
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• Q3
The power of an appliance is...
the amount of voltage going through it
the amount of energy transferred per second
all of the following
the amount of charge that passes through per second
30s
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• Q4
Electrical power can be calculated using
Voltage x Current
Resistance x Voltage
all of the following
Voltage ÷ Current
30s
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• Q5
Watts is the same as...
all of the following
Joules per second
Current per second
Voltage per second
30s
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