a.) Field lines are originated at north pole and terminate at South pole. Magnetic Field is stronger where field lines are more in number and weak where the concentration is less. MagneticFieldisstrongestnearthepoles.
b.) When the currentin the circuit is reversed, the direction of magneticfield is also reversed.
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Answer:
a.) Field lines are originated at north pole and terminate at South pole. Magnetic Field is stronger where field lines are more in number and weak where the concentration is less. Magnetic Field is strongest near the poles.
b.) When the current in the circuit is reversed, the direction of magnetic field is also reversed.
2. once direction of current is reversed the
direction of magnetic field too reverses
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