EASY
10th CBSE
IMPORTANT
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A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoid:
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Important Questions on Magnetic Effect of Electric Current
EASY
10th CBSE
IMPORTANT
The magnetic field lines in the middle of the current-carrying solenoid are:
MEDIUM
10th CBSE
IMPORTANT
The front face of a circular wire carrying current behaves like a north pole. The direction of the current in this face of the circular wire is:
MEDIUM
10th CBSE
IMPORTANT
The back face of a circular loop of wire is found to be south magnetic pole. The direction of the current in this face of the circular loop of wire will be:
EASY
10th CBSE
IMPORTANT
In the straight wire , a current is flowing in the vertically downward direction whereas in wire , the current is flowing in the vertically upward direction. What is the direction of the magnetic field in wire ?
(Choose from the following: Clockwise/ Anti-clockwise)
EASY
10th CBSE
IMPORTANT
In the straight wire A, current is flowing in the vertically downward direction whereas in wire B the current is flowing in the vertically upward direction. What is the direction of magnetic field: in wire B? Name the rule which you have used to get the answer.
MEDIUM
10th CBSE
IMPORTANT
The figure shows a solenoid wound on a core of soft iron. Will the end A be a N pole or S pole when the current flows in the direction shown?
EASY
10th CBSE
IMPORTANT
A current-carrying straight wire is held in exactly vertical position. If the current passes through this wire in the vertically upward direction, what is the direction of magnetic field produced by it? Name the rule used to find out the direction of magnetic field.
EASY
10th CBSE
IMPORTANT
For the coil in the diagram below, when the switch is pressed, what is the polarity of end A? (North Pole, South Pole)
