Table of Contents
- 1 Why a compass needle get deflected when brought near a bar magnet?
- 2 When a compass needle is brought near a current carrying wire its needle get deflected by?
- 3 When a compass needle is kept close to a current carrying wire?
- 4 What does the deflection of a compass needle shows?
- 5 How do you find the direction of deflection of a compass needle?
- 6 Why does compass needle point north?
- 7 What is the north end of a compass needle?
- 8 How do you use a compass correctly?
Why a compass needle get deflected when brought near a bar magnet?
The compass needle is a small magnet. That’s why when a compass needle is brought near a bar magnet, its magnetic field lines interact with that of the bar magnet. Hence, a compass needle gets deflected near the magnet bar.
When a compass needle is brought near a current carrying wire its needle get deflected by?
Answer Expert Verified. When a magnetic needle is brought closer to a current carrying conductor then the magnetic needle it gets deflected because the magnetic field of the current carrying conductor exerts a force on the magnetic needle, making it move from one direction to the other.
Why does a magnetic compass gets deflected when it is near to the current carrying wire?
When a current carrying wire is brought close to a magnetic compass then there will be a deflection in the magnetic compass due to the magnetic field formation. The deflection will increase when the current is increased because the electric field is directly proportional to the magnetic field strength.
What do you think would happen to the direction of deflection of the needle if the direction of current is changed?
(b) Now as the current carrying conductor forms a magnetic field, it has its own poles and as the direction of current is reversed in the conductor, the direction of deflection will be reversed when current direction is reversed.
When a compass needle is kept close to a current carrying wire?
deflected
If you hold a compass near a wire through which current is flowing, the needle on the compass will be deflected. Since compasses work by pointing along magnetic field lines, this means that there must be a magnetic field near the wire through which the current is flowing.
What does the deflection of a compass needle shows?
The magnetic needle will show deflection when circuit is complete. The deflection ofmagnetic needle shows that the solution is a good conductor.
How is the deflection in the compass needle affected?
Answer Expert Verified When we move along the field line deflection in the compass needle is observed. The deflection increases as the needle move towards the poles because of magnetic field. The exertion of magnetic force that is observed in the surrounding of a magnet is called magnetic field.
What is the deflection of a compass needle?
b. When placed just above the wire, North Pole of the compass needle deflects towards the east when current is passes from A to B. c. When placed just below the wire, North Pole of the compass needle deflects towards the east when current is passes from B to A i.e. on reversing the direction of current.
How do you find the direction of deflection of a compass needle?
If a compass needle is kept in the vicinity of the current carrying wire, the needle is found to deflect in a definite direction. If the direction of current in the wire is reversed, Then the direction of deflection of the needle is reversed.
Why does compass needle point north?
The north pole of a compass magnet points toward the north. Earth’s south magnetic pole is near Earth’s geographic north. Earth’s magnetic north pole is near Earth’s geographic south. That’s why the north pole of a compass points toward north because that’s where Earth’s south magnetic pole is located and they attract.
Why does a compass needle get deflected when brought near a magnet?
Why does a compass needle get deflected when brought near a bar magnet? The magnetic field is a field generated by the electric charge or magnet in the motion. The magnetic field is the area around the moving electric charge or magnetic substance within which the force of magnetism operates.
Why does a compass have two poles?
It has two poles, a north and a south pole so that the magnet aligns itself while freely suspended so that the northern pole points to the earth’s magnetic north pole. The compass needle is a small magnet. That’s why when a compass needle is brought near a bar magnet, its magnetic field lines interact with that of the bar magnet.
What is the north end of a compass needle?
The end of a compass needle that points toward the North Star IS DEFINED as being the North end of the compass needle. (If there were a bar magnet buried within the earth, creating the magnetic field that the compass responds to, the end of the bar magnet that is near the Arctic Region would be labeled as the ‘S’ end of the bar magnet.)
How do you use a compass correctly?
When you put your compass above the wire, the needle will align with the magnetic field pointing out of the page, Moving the compass to below the wire the needle will flip 180 degrees and now point into the page. I don’t want to begin the discussion of north and south poles, etc.
https://www.youtube.com/watch?v=KqsLnJvFL2I