Question

The method of making a temporary magnet by rubbing a magnet with the magnetic substance is known as

• A. Single-touch method
• B. Double-touch method
• C. Magnetic induction method
• D. Electrical method

Answer 1

The correct option is A

Single-touch method

An explanation for the correct option:

Option A: Single-touch method

1. In the single-touch method, a magnet is rubbed with a magnetic substance in only one direction.
2. The magnetic substance will acquire the properties of the magnet.

An explanation for the incorrect options:

Option B: Double-touch method

1. In the double-touch method, a pair of magnets is rubbed with a magnetic substance in only one direction.
2. So, option B is incorrect.

Option C: Magnetic induction method

1. The method of magnetising a magnetic substance by just bringing any magnet near it is called the magnetic induction method.
2. So, option C is incorrect.

Option D: Electrical method

1. A magnetic substance can be magnetized using an electrical method also.
2. When an electric current is passed through it, the substance will get magnetized.
3. So, option D is incorrect.

Therefore, option A is correct. The method of making a temporary magnet by rubbing a magnet with the magnetic substance is known as the Single-touch method.