What is the reason for sprinkling iron filings around these two magnets?

Q: I'm being asked to draw the magnetic fields around different sized magnets (cylinderish round,…

A: The iron filings are arranged in the direction of magnetic field of magnets. In the picture we can…

Q: Why don’t two magnetic field lines intersect each other?

A: Two magnetic field lines do not intersect each other.

Q: if you took a bar magnet and cut it in half, then cut each of those halves in half again, how many…

A: If we cut a magnet into two parts the new magnets that is each piece will again have two poles…

Q: a temporary magnet?

A: In our day to day life, we see paper clips. With the help of paper clips, we are able to construct…

Q: The strength of a magnetic field as the distance from the magnet increases. increases, then…

A: A magnet consists of two poles, a north and a south pole. The magnetic lines of forces created by a…

Q: You have given a power supply, copper wire, and an iron nail. What should you do to decrease the…

A: In the electromagnet the copper wire is wound around the iron nail. So, it works as the solenoid. As…

Q: Why is the magnetic field in a perpendicular ciruclar fashion in relation to a moving…

A:

Q: Why do like poles of magnets repel one another?

A:

Q: The magnetic field due to the top wire points in which direction?

A: Thumb rules state that if thumb of the right hand points along direction of current, then the…

Q: Some tools contain permanent magnets. What two types of materials could these tools pick up

A: Some tools contain permanent magnets , these tools can pick up lighter and heavier objects depending…

Q: The biggest drawback to extensive use of photovoltaic cells is

A: A Photovoltaic cell is a device which converts light energy into electrical energy.

Q: how could the same magnets be attractive and then repulsive

A: All magnets have two poles a North pole and a South pole and they all follow magnetic law of poles.…

Q: If you look directly at the North Pole end of a bar magnet , which way does it’s magnetic field…

A: Given: If you look directly at the North Pole end of a bar magnet , which way does it’s magnetic…

Q: A long segment of wire has the shape shown in the figure and carries current I = 36 A. What is the…

A: Given: The Current (I) = 36 A The Radius of the semi circle (R) = 2.7 cm

Q: What are the two distinct characteristics that a magnet possesses?

A:

Q: You hold a compass near a bar magnet. The south pole of the compass will point towards which pole of…

A: The needle of a magnetic compass is itself a magnet, and thus the north pole of compass always…

Q: What are the two distinct characteristics that a magnet

A: two distinct characteristics that a magnet possesses.

Bar Magnet

In physics, magnetism is a phenomenon exhibited by a magnetic substance that exerts either attractive or repulsive force. A bar magnet is either a rectangular or round and hollow fit comprised of ferromagnetic materials and has a fanciful attractive field surrounded by it.