In the circuit shown in the figure, a coil is wound around a match box containing a compass needle. When the key is closed, the compass needle placed in the match box deflects. The force which causes this deflection is:

magnetic force due to current.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

electric force due to current.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

gravitational force.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

electric force due to magnet.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A magnetic force due to current.
Due to the flow of current in the coil, there is magnetic field near the compass needle. Due to the magnetic field, a magnetic force acts on the compass needle and the needle deflects.

Suggest Corrections

Similar questions

Q. Question 12
In the circuit shown in Fig, when the key is closed, the compass needle placed in the matchbox deflects. Name the force which causes this deflection.

Q. The error due to imperfect centering of the pivot of the magnetic needle in the compass box in deflection magnetometer experiment is eliminated by taking the readings

Q. A compass needle is placed near bar magnet. Now, compass needle is placed above on axis of bar magnet. Net magnetic force on compass needle

Q. Will the compass needle show deflection when the switch in the circuit shown in figure is closed?

Why does a compass needle get deflected when placed in a magnetic field? is it because the north pole of the compass needle and north pole of the magnet deflect?

Join BYJU'S Learning Program

In the circuit shown in the figure, a coil is wound around a match box containing a compass needle. When the key is closed, the compass needle placed in the match box deflects. The force which causes this deflection is:

The correct option is A magnetic force due to current.Due to the flow of current in the coil, there is magnetic field near the compass needle. Due to the magnetic field, a magnetic force acts on the compass needle and the needle deflects.

The correct option is A magnetic force due to current.
Due to the flow of current in the coil, there is magnetic field near the compass needle. Due to the magnetic field, a magnetic force acts on the compass needle and the needle deflects.