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Science CBSE Homework Assignments
Class 10
Magnetic effects of electric current
Current carrying circular coil
1.
MCQ on magnetic field due to a current carrying circular loop
Question:
2
m.
Select the appropriate answer
:
1
.
The magnitude of the magnetic field created by a current-carrying circular wire at its centre is ______________.
directly proportional to the current passing through the circular wire
inversely proportional to the current passing through the circular wire
directly proportional to the square of current passing through the circular wire
inversely proportional to the square of current passing through the circular wire
2
.
What happens to the magnetic field in the solenoid when the current increases?
Increases
Becomes zero
Decreases
Remains the same
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