Physics
Grade-10
Easy
Question
Which of the following has a magnetic field like that of a bar magnet?
- Current carrying rectangular loop
- Current carrying solenoid
- Current-carrying wire
- Current carrying ring
Hint:
A solenoid is a type of electromagnet that produces regulated magnetic fields by running an electric current through a coil that has a length greater than its diameter.
The correct answer is: Current carrying solenoid
The magnetic field of a current-carrying solenoid is similar to that of a bar magnet.
- A solenoid has two poles such as a magnetic bar out of which one behaves as a north pole and another one behaves as a south pole.
- The solenoid has circular coils arranged together representing a cylinder.
- The solenoid has a magnetic field similar to the bar magnet.
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