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9th
-
10th
grade

Physics

79%

accuracy

1.2K

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MATH Department

4 years

Physics

9th -

10thgrade

magnetic effects of electric current

user

MATH Department

1.2K
plays

10 questions

10 questions

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1. Multiple Choice
30 seconds
1 pt
The magnetic field lines are__________.
closed curves
open curves
semi circular
2. Multiple Choice
30 seconds
1 pt
The relative strength of the magnetic field is shown by the degree of closeness of the field lines.
false
true
can't say
3. Multiple Choice
30 seconds
1 pt
No two field-lines are found to cross each other.
true
false
4. Multiple Choice
30 seconds
1 pt
Fuse wire has high melting point. True or False:
True
False
May be false
May be correct
5. Multiple Choice
45 seconds
1 pt
Which word means how hard it is for electrons to flow?
Current
Voltage
Resistance
Power
6. Multiple Choice
45 seconds
1 pt
This is an example of a _______ circuit
open
series
parallel
square
7. Multiple Choice
45 seconds
1 pt
What is resistance measured in?
Ω (Ohms)
V (Volts)
A (Amps)
W (Watts)
8. Multiple Choice
45 seconds
1 pt
What is the unit of power?
Ohms
Volts
Amps
Watts
9. Multiple Choice
30 seconds
1 pt
Voltage is simply defined as...
what 'pushes' electrons
what 'stops' electrons
moving electrons
10. Multiple Choice
30 seconds
1 pt
Where is Earth's magnetic field the strongest?
poles
equator
mountain tops
ocean floor
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