A student wants to make a bar magnet (bar magnet) using a current-carrying solenoid. Which arrangement of magnetic field lines shows that the solenoid is acting as a bar magnet?
Subject: General Awareness | Topic: Science | Difficulty: MEDIUM
Options
- (A) Magnetic field lines spiral around the solenoid from one end to the other
- (B) Magnetic field lines curve randomly inside the solenoid
- (C) Magnetic field lines emerge from one end and enter the other end, forming closed loops outside
- (D) Magnetic field lines form only straight parallel lines outside the solenoid
Verified Answer
Option (C): Magnetic field lines emerge from one end and enter the other end, forming closed loops outside
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