On what factors strength of magnetic field due to circular coil depends
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Factors on which magnetic field produced at centre of acurrent carrying circular wire depends are:
1)The amount of current flowing through wire.
If current is increased then deflection of needle of magnetic compass placed inside wire also increases. Strength of magnetic field is directly proportional to current
2)Radius of circular wire
Strength of magnetic field is inversely proportional to radius of circular wire.
The deflection of needle of magnetic compass placed at the centre of circular wire of smaller radius is more than that placed at centre of circular wire of larger radius.
3)Number of turns in circular wire
If number of turns in circular wire are increased,Magnetic field at the centre of loop increases.
1)The amount of current flowing through wire.
If current is increased then deflection of needle of magnetic compass placed inside wire also increases. Strength of magnetic field is directly proportional to current
2)Radius of circular wire
Strength of magnetic field is inversely proportional to radius of circular wire.
The deflection of needle of magnetic compass placed at the centre of circular wire of smaller radius is more than that placed at centre of circular wire of larger radius.
3)Number of turns in circular wire
If number of turns in circular wire are increased,Magnetic field at the centre of loop increases.
Answered by
20
Answer:
It depends upon..
Explanation:
B*I
B*1/r
B*n(number of turns)
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