A bar magnet may be thought of as many circulating currents like a:
AGenerator
BSolenoid
CCapacitor
DResistor
Answer & Solution
Correct answer: B. Solenoid
1. The field line pattern of the two is strikingly alike.
2. That resemblance suggests a common cause.
3. So a bar magnet is treated as equivalent to a solenoid.
_Source: NCERT Class 12 Physics Part I, Chapter 5, Magnetism and Matter._
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