Properties of magnet

1. Pole strength is a __________ quantity.

• scalar

• Vector

How many poles does a magnet have?

• 1 pole

• 3 poles

• 2 poles

• o pole

The most suitable material for making the core of an electromagnet is:

• Iron

• Aluminum

• Brass

• Steel

4. The SI unit of magnetic moment is -_______________

• Am

• A/m

• A/m²

• Am²

5. The SI unit of magnetic flux is ________________

• tesla

• Ampere

• Weber

• Joule

6. 1 Weber = _____________ maxwell.

• 10⁴

• 10 ⁹

• 10^-4

• 10⁸

7. A freely suspended bar magnet will always point along the __________________-- direction.

• North

• South

• North - south

• East - West

8. The SI unit of pole strength is ___________________.

• N/T

• NT

• N

• S

9. The number of magnetic field lines crossing any area is called ___________________.

• Magnetic field

• Magnetic flux

• Magnetic dipole

• Magnetic meridian

10. The CGS unit of magnetic flux is _______________

• tesla

• Weber

• Joule

• maxwell