magnetic effects of electric current
Authored by MATH Department
Physics
9th - 10th Grade
Used 1K+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The magnetic field lines are__________.
closed curves
open curves
semi circular
2.
MULTIPLE CHOICE QUESTION
30 sec • 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 QUESTION
30 sec • 1 pt
No two field-lines are found to cross each other.
true
false
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fuse wire has high melting point. True or False:
True
False
May be false
May be correct
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which word means how hard it is for electrons to flow?
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
This is an example of a _______ circuit
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is resistance measured in?
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