Are magnets the only objects that stick together? Apart from magnets, can you think of objects that stick together when are closed with each other but are not literally touching initially? Why do you think such objects stick together?

Q: When a poles of two magnets brought close together, they attract. What type of poles are they?…

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Q: A permanent magnet has field lines as shown below. A proton is at rest at point D. The direction of…

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Q: Magnetic field exists in a region of space if a moving charge there experiences a force due to its…

A: F =qvBsinθ

Q: A compass is made of A. aN magnet and a S magnet B. a magnetic needle that is free to rotate C. two…

A: A compass is made of A. a N magnet and a S magnet B. a magnetic needle that is free to rotate C. two…

Q: The amount of work done by magnetic force in displacing a charged particle Select one: O Depends on…

A: Magnetic force: It is a force of attraction or repulsion that arises between the electrically…

Q: Based on the figure below, what will happen to the wire? electron flow

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Q: An electron is projected at 3.0 × 10° m/s into a 0.13-T magnetic ield. ned Show that the maximum…

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Q: Which of the following materials needs the lowest magnetic field value to magnetize? Please select…

A: When  externаl  mаgnetiс  field  B0 ,  is  аррlied  the  mаgnetiс  dоmаins  оrient  themselves  in…

Q: A strong magnetic field is applied on a stationary electron. Then the electron a. moves in the…

A: To explain the behavior of an electron when a strong magnetic field is applied on it.

Q: A bar magnet is cut into four pieces. Then each piece O a. is a complete magnet O b. has only north…

A: A magnet is cur into four pieces

Q: The units of magnetic dipole moment are: ampere O ampere-meter ampere-meter2 ampere/meter…

A: For a current carrying loop, magnitude of the magnetic dipole moment is equal to  the product of the…

Q: charged particle, q enters an external magnetic field, B with velocity, v. A force, F acting on the…

A: Write the given value of this problem. The charge on particle=qMagnetic field=BVelocity=vForce=F

Q: if you could put many magnets together, do you think the magnetic force will be stronger or weaker?

A: YES  , magnetic force will be stronger by putting many magnets together.

Q: he small groups of atoms that behave like small magnets inside a large magnet are called:

A: Origin of magnetic property of material is from magnetic dipoles

Q: The region of no attraction(zero force) in a magnet is Select one: O a. at both the ends of the…

A: The  force is zero means the resultant magnetic field is zero at that point.

Q: Fill in the blank with either the north or south pole. pole of another magnet 8 The south pole of a…

A: In the magnetic field, the same pole of the magnet always repel each other, and the different poles…

Q: A proton travels north through a magnetic field that points east. The direction of the force on the…

A: Given that:- :- Direction of velocity of proton is along north. :- Direction of magnetic field is…

Q: Why will a magnet attract an ordinary nail or paper clip but not a wooden pencil?

A: A magnet can only attract the objects which are made of ferromagnetic material. a magnet attract an…

Q: A charge of 0.5 C moves at a speed of 400 m/s at an angle of 30° to a magnetic field of strength…

A: Given, Charge,q=0.5 C Velocity,v=400 m/s Angle, θ=30° Magnetic field,B=0.5 T

Q: The marked end of a compass needle tends to point toward the____ end of a magnet.( a)north, b)…

A: A compass is itself a tiny magnetic with north pole marked. It is used to determine the direction of…

Q: You can tell if an object is magnetic if the groupings of atoms: O are scattered in all different…

A: are lined up in same direction

Q: A particle with a charge of -8.0x10-18 C moves to the left at a speed of 4x103 m/s. It enters a…

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Q: A particle with a charge of -8.0x10-18 C moves to the left at a speed of 4x103 m/s. It enters a…

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Q: The north pole of a hand-held bar magnet is brought near the north pole of a second bar magnet lying…

A: face of hand held magnet = North pole face of magnet lying on a table = North pole

Q: A loop of electric current will create A. a long, straight B field B. a magnetic dipole B field C. a…

A: option B is correct as explained in the image attatched.

Q: electron is moving WEST in a region where the magnetic field is directed from NORTH to SOUTH. The…

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Q: Relative permeability of iron is 5500. Its magnetic susceptibility is: a. 5500 x 10-7 b. 5499 c.…

A: The relative permeability is given by, μr=1+Χ Here, μr is the relative permeability and Χ is the…

Q: A positively-charged particle is moving from right to left across a magnetic field. An upwards force…

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Q: An electron in a uniform magnetic field completes a circular motion once per second. Calculate the…

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Q: Magnetism in materials is due to: A) Displacement of electrons B) Circular motion of electrons C)…

A: Magnetism is caused by the motion of electric charges

Q: A permanent magnet has field lines as shown below. A proton moves to the right at point B. The…

A: A proton is moving to the right at point B. We have to find direction of Magnetic force on proton.

Q: If you were to cut a small permanent bar magnet in half, does it mean neither piece would be…

A: When you cut a magnet in half it will can end up with two magnets. Consider a small permanent magnet…

Q: A bar magnet is cut into four pieces. Then each piece ____________ a. is a complete magnet b.…

A: A bar magnet is a piece of metal that shows permanent magnetic properties. It is made of…

Q: What are the key differences between magnetic force vs electric force?

A: Given  What are the key differences between magnetic force vs electric force?

Q: A metallic weight is suspended from a metal spring. What would happen if now a current is passed…

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Q: A particle with a charge of -8.0x10-18 C moves to the left at a speed of 4x103 m/s. It enters a…

A: Recall FE→=qE→ Also FB→=q(V→×B→) To move on st.line Net force on charged particle should be zero.

Q: A student is given two pieces of iron and told to determine if one or both of the pieces are…

A: Initially, when the two pieces are brought together, they attract. This is because either two of the…

Q: The reason a magnet can attract an un-magnetized nail is that a magnet can attract any metal object…

A: A magnet can be said to be an object which is able to create its own magnetic field. A magnet will…

Q: A positive point charge is initially at rest close to a bar magnet that is also at rest. The charge…

A: Ques: there is a point charge +q which is at rest in a magnetic field B

Q: Magnets must ALWAYS come as dipoles (a N AND S) True or False

A: An easy thing to take for granted about magnets is that they always have a north pole and a South…

Q: How is magnetism produced? A. Separation of positive and negative charges B. An excess of…

A: Every body consists of atoms that contain electrons. Electrons spin around the nucleus of the atom.…

Q: a piece of iron and a piece of steel are picked up by electromagnet. The current to the…

A: Given: a piece of iron and a piece of steel are picked up by electromagnet. The current to the…

Q: A permanent magnet has fleld lines as shown below. An electron moves out of the screen toward you at…

A: According to right hand palm rule, o find the direction of force, we must have to place our four…

Q: When neutron enters in the magnetic field (B), then it will not bend because O a. neutron has more…

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Q: The force exerted on the length element dl at point P in the circular conductive ring in the figure,…

A: Here, The direction of the magnetic field is outward the plane of the paper. and, the direction of…