Explain why a strong magnet held near a CRT televisionscreen (Section 17–10) causes the picture to becomedistorted. Also, explain why the picture sometimes goescompletely black where the field is the strongest. [Butdon’t risk damage to your TV by trying this.]

Q: If magnetic monopoles existed, how would the Gauss’s law of magnetism be modified?

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Q: Why does a compass needle get deflected when brought near a bar magnet?

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Q: -A bar .magnet has a pole strength of 3.6 A m and magnetic length 8 cm. Find the magnetic field at…

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Q: How does the magnetic field strength relate to the closeness of magnetic field lines about a bar…

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Q: 4. Doès a čurrent-carrying wire placed in a magnetic field always experience a magnetic force?…

A: Moving charges are represented by a current carrying wire. Because the current is the same in all…

Q: Can you produce current from a magnet and vice versa?

A: Michel Faraday’s experiments on a magnet and a loop of wire explained the relation between…

Q: 14-16) An electron enters a region where there is a magnetic field with a strength of 0.50 T which…

A: Given: Magnitude of magnetic charge (B) = 0.5 T (vertically upward from page) The magnitude of…

Q: Suppose you move along a wire at the same speed as the drift speed of the electrons in the wire. Do…

A: A magnetic field is generated only when the charges is moving. However electric field is generated…

Q: Can magnetic fields cause currents?

A: Introduction: According to Faraday's law, the rate change magnetic flux with respect to time…

Q: What is the difference between magnetic field and magnetic flux?

A: We are allowed to give the explanation of first question only which is given below.  Please repost…

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

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Q: A neutral point is a point at which the horizontal component of Earth field and the field of the bar…

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Q: The earth’s field, it is claimed, roughly approximates the field due to a dipole of magnetic moment…

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Q: Example 7.7. A uniform magnetic field B(1), pointing straight up, fills the shaded circular region…

A: Changing magnetic field induces electric field according to Faraday's law. In the question, its…

Q: Ferromagnetic materials  are used as shields for devices that are adversely affected by magnetic…

A: When you shield the devices with ferromagnetic material the device also act as a magnetic material…

Q: Does the Earth's magnetic field have a greater magnitude near the poles or near the equator?

A: Earth's magnetic field: It is described by magnetic field lines which emerge out from the south pole…

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: If you move a bar magnet in the space near a coil of copper, what does this motion cause in the coil…

A: When magnet moves near the copper coil, there is flux change in the copper coil due to…

Q: Discuss ways to create a magnetic field.

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Q: The earth’s field departs from its dipole shape substantially at large distances (greater than about…

A: The magnetic field that spreads from the core of Earth out into space termed as Earth magnetic…

Q: Why does a freeley suspended magnet always rest in north-south direction ?

A: A magnet has a north pole and a south pole. Inside a magnet the magnetic field direction is from the…

Q: 15 0/1 point The B-field at a point in space is shown below. В Select all of the orientations of the…

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Q: A neutral point is a point at which the horizontal component of Earth field and the field of the bar…

A: Required : What is a neutral point.

Q: auniform magnetic field,

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Q: If you have three parallel wires in the same plane, as in Figure, with currents in the outer two…

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Q: If you took a sample of magnetotactic bacteria from the northern hemisphere to the southern…

A: magnetotactic bacteria

Q: At null points, the resultant magnetic field is: O a. zero O b. none of these O c. maximum O d.…

A: solution is given as

Q: Why will dropping an iron magnet on a concrete sidewalk make it a weaker magnet?

A: If we drop a permanent magnet on a concrete sidewalk, due to vibrations the magnet will acquire…

Q: What is the first function of magnetic field?:

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Q: How do moving charges create magnetic field? (five sentences)

A: The magnetic field is the region of space found around a magnetic field or moving charge(electrons)…

Q: Can you set a resting electron into motion with a magnetic field? Explain

A: Magnetic force is given by : FB = qvB sinθ Here,  q is the charge of the particle v is the velocity…

Q: To make a compass, point an ordinary iron nail along the direction of Earth’s magnetic field (which,…

A: This is because,

Q: How to demagnetize a permanent magnet using current?

A: This can be done using a solenoid. To demagnetize a permanent magnet place it inside a solenoid,…

Q: Where is the magnetic field strongest around a magnet?

A: A bar magnet with its magnetic field is shown below:

Q: At null points, the resultant magnetic field is: O a. maximum Ob. none of these OC. zero O d. equal…

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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.