Question

What will happen if a soft iron bar is placed inside the solenoid?

a) The bas will be electrocuted resulting in short circuit.

b) The bar will be magnetized as long as there is current in the circuit.

c) The bar will be magnetized permanently.

d) The bar will not be affected by any means.2.Identify the circuit (See below figure) in which the electrical component havebeen properly

connected.​

Answer 1

Answer:

If a soft iron bar is placed inside the solenoid, the bar will be magnetized as long as there is current in the circuit.

Therefore, the option (b) is correct.

Explanation:

• Solenoid is a large number of turns of the copper wire. When current passed through the solenoid, the magnetic field is generated.

• If we place any conducting material inside the solenoid and pass the current, the magnet will be created and this magnet will show all the properties of the regular magnet.

• When we introduced the soft iron core inside the solenoid, the magnetic field strength will become large. The soft iron core will be magnetized due to induction. The pair of soft iron core and solenoid is called electromagnet.
• But these electromagnets are temporary magnets. as the current is flowing through solenoid will stop, soft iron core will loss all its magnetism.

Answer 2

Answer:

If a soft iron bar is placed inside the solenoid, the bar will be magnetized as long as there is current in the circuit.

Therefore, the option (b) is correct.

Explanation:

• Solenoid is a large number of turns of the copper wire. When current passed through the solenoid, the magnetic field is generated.

• If we place any conducting material inside the solenoid and pass the current, the magnet will be created and this magnet will show all the properties of the regular magnet.

• When we introduce the soft iron core inside the solenoid, the magnetic field strength will become large. The soft iron core will be magnetized due to induction. The pair of soft iron core and solenoid is called electromagnet.

• But these electromagnets are temporary magnets. as the current is flowing through solenoid will stop, soft iron core will lose all its magnetism.