Electric Power

Quiz
•
Science
•
9th Grade
•
Medium
Standards-aligned
Lisa Thompson
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why are the wires of a toaster coated in plastic?
Plastic is stronger than other materials
Plastic is a good electrical conductor
Plastic protects people from electricity because it is an insulator
Only plastic can be made into the right shape of a wire
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
To prevent overload and overheating of wires
fuses are used
circuit breakers are used
fuses and circuit breakers are used
fuses and resistor are used
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify the symbol-
Electric Bulb
Electric Cell
Battery
Switch in ON position
Switch in OFF position
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
At home, you noticed that a portion of an electrical wire is worn out, exposing its metallic part. What do you think might happen if you will just ignore this problem?
short circuit may happen
circuit is of better condition
overloading may not happen
nothing happens when someone touches the wire
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you replace the paper clip with a plastic spoon, what happens?
The bulb doesn't light
The bulb is dimmer
The wires get hot
There is no change
Tags
NGSS.HS-PS2-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An electrical ground provides a alternative path for current if something goes wrong in a circuit or device.
true
false
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The voltage supplied to a circuit is 17 V and the current running through is 10 A. What is the power generated?
170 W
170 A
1.7 V
1.7 W
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