According to the law of magnetic poles       A)  magnetic poles in a bar magnet cancel each other out.   B)  a magnetic South pole would attract a magnetic South pole.   C)  a magnetic North pole would repel a magnetic South pole.   D)  a magnetic South pole would attract a magnetic North pole.

Q: 20 cm portion of a wire carries a current of 4A east in a space where the magnetic field is 0.2 T…

A:

Q: Which statement best describes the magnetic field lines (flux lines) around a single bar magnet? A.…

A: Required : Which statement best describes the magnetic field lines (flux lines) around a single bar…

Q: When does a magnetic dipole possess maximum potential energy inside a magnetic field? a) Magnetic…

A: C

Q: Electric and Magnetic forces are similar in which way(s)? A. They sometimes attract and sometimes…

A: Electric and Magnetic forces are similar in which way(s)? A. They sometimes attract and sometimes…

Q: The magnetic field lines of a bar magnet (outside) are directed from _________ Select one: a. south…

A: Question-  magnetic field line  direction  ?

Q: The magnetic pole near the Earth's north geographic pole is a south magnetic pole. scientists have…

A: opposite magnetic poles attracts each other while same magnetic poles repels each other. Hence, The…

Q: Force on a Moving Charge: A proton, moving west, enters a magnetic field. Because of this magnetic…

A: We have a proton of charge say q which is moving in the west direction with velocity say v. Due to a…

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

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Q: Q1. What will a charged particle moving parallel to a magnetic field experience? A. A magnetic…

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Q: A magnetic field will not apply force on... а. an electromagnet b. an electric charge moving…

A: Magnetic force is the force of an attraction or repulsion that arises between a moving charge in a…

Q: A hunk of iron is shown to not have any magnetism associated with it when a student tries to suspend…

A: The iron can retains magnetic property after it is moved from the magentic field

Q: The south pole of a freely suspended bar magnet always point to   a.     geographic north…

A: The south pole of a freely suspended bar magnet always points to the magnetic north pole of the…

Q: If you were to cut a small permanent bar magnet in half, A) neither piece would be magnetic. B) one…

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Q: If the N pole of a magnet were close to the S pole of another magnet, the field lines would run from…

A:

Q: QUESTION 4: A student creates an electromagnet and then reverses the direction of the current. What…

A: It is given that a student creates an electromagnet and then reverses the direction of the current.

Q: An unknown charge is curving under the influence of a magnetic field. What is the sign of the…

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Q: for a charge to experience a magnetic force in a magnetic field, it must be a. moving b. negative…

A: To determine The correct option for the above question

Q: An electron traveling due east enters a region that contains a uniform magnetic field that points…

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

A: When a bar magnetic is cut into four pieces, Then each piece behave like a magnet.

Q: Indicate the direction of the magnetic force on the positively charge particle as they move through…

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Q: Which of the following current-carrying conductors has a magnetic field resembling a bar magnet?…

A: Bar magnet has two poles north pole and south pole  and behave as magnetic dipole.

Q: Which of the following statements is True? A. A moving charge or a collection of moving charges…

A: Given the statements  A. A moving charge or a collection of moving charges produces a magnetic…

Q: Which of the following about the earth's magnet a. The earth's magnetic field lines end at the b.…

A: Given:- Which of the following about the earth's magnetic properties is true? Find:- correct option…

Q: match what happens when a ferromagnetic material is placed in an external magnetic field. a. The…

A: Given : When a ferromagnetic material is placed in an external Magnetic field:   To Determine:…

Q: A stationary positive charge +Q is located in a magnetic field B, which is directed toward the right…

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Q: Determine which of the following statements is true: a. Magnetic field exerts force on a charge at…

A: A magnetic field exerts force on a moving charge

Q: If the black dot in the previous sketch represented an electron with an instantaneous velocity…

A: The direction of the magnetic force on the electron depends on the direction of the magnetic field.…

Q: positively charged particle moving due east enters a magnetic field directed due south. Which of…

A: magnetic force F̅=q(v̅×B̅)

Q: Which one of the following statements is true? A. Like positive and negative charges, science has…

A: The correct statement is C. Unlike positive and negative charges, science has never been able to…

Q: The Earth’s magnetic field       A)  attracts the North end of the compass needle to the…

A: The Earth's magnetic field is similar to the magnetic field of a bar magnet. The origin of Earth's…

Q: A positively charged particle moving upwards enters a magnetic field directed due east. Which of…

A: Right Hand Rule-1 : Point your thumb of right hand in direction of motion of positively charge…

Q: Which statement is correct regarding the earth's magnetic field:  a. A compus red needle will point…

A: Earth's magnetic field is such that its magnetic south pole is at geographic north and magnetic…

Q: Which diagram correctly represents the magnetic field lines between two south magnetic poles? O a. S…

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Q: what happens to the compass needle as you move the compass around? A. The compass needle always…

A: When compass moves around needle points to original position as there is magnetic field created so…

Q: he bar magnet is flipped over and the south pole is

A: 1. When the south pole brought near the steel ball , the ball is still attracted towards the magenet…

Q: A horizontal wire carries a current straight toward you. From your point of view, the magnetic field…

A: A horizontal wire carries a current straight toward you.

Q: Which of the following are accurate statements about permanent magnets and magnetic fields?…

A: Magnetic field: Magnetic field is the area near a magnet where a magnetic object or an electric…

Q: Which of these is not an example of the relationship between electricity and magnetism? Select one:…

A: From the Faraday’s law statement, a changing magnetic field produces an electric field.From the…

Q: A magnetic field map shows       A)  the direction of the magnetic field.   B)  All of these…

A: solution :- magnetic field map show, the  direction of the magnetic field , relative strength of the…

Q: A power line carries a current of 97 A west along the tops of 8.5-m high poles. 1) How does this…

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Q: A magnetic dipole that is __________ to an external magnetic field will have the least potential…

A: Explanation: The potential energy of the magnetic dipole is given as The torque of the dipole is…

Q: A soft ferromagnetic material is placed in an external magnetic field. The magnetic domains:   a.…

A: A soft ferromagnetic material is placed in an external magnetic field. The magnetic domains:   a.…

Q: A magnetic force acts on an electric charge in a magnetic field when O a. the charge moves at right…

A: The magnetic force on a charge particle moving in the magnetic field is given by  F = q v B sin A…

Q: Describe how the magnetic domains in an unmagnetized iron rod will respond to the presence of a…

A: Monopole of magnet does not exist. Therefore, (a) is incorrect option. If the domains orient…

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.