EP PHYSICS: PRIN.APP.AP-MOD.MASTERING
EP PHYSICS: PRIN.APP.AP-MOD.MASTERING
7th Edition
ISBN: 9780137453276
Author: GIANCOLI
Publisher: SAVVAS L
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Chapter 20, Problem 1OQ

Part (a)

To determine

Force experienced by electric charge at rest when placed in a magnetic field of a magnet.

Solution: Electric charge at rest will not experience any force.

Part (a)

Expert Solution
Check Mark

Explanation of Solution

Static Electric charge will not experience any force because according to the Lorentz relation F=qvBSinα , ( α is the angle between direction of velocity and direction of magnetic field); if v=0 then F=0 so it will not experience any force.

Conclusion: An external magnetic field always exerts force of other magnets and charge particles.

Part (b)

To determine

To determine: - Force experienced by moving electric charge when placed in magnetic field of a magnet.

Part (b)

Expert Solution
Check Mark

Answer to Problem 1OQ

Solution: - Moving electric charge may or may not experience a force.

Explanation of Solution

Explanation: - Dynamic Electric charge will not experience a force if its direction is parallel or anti-parallel to the direction of magnetic field. And with respect to any other direction it will experience a force.

According to Lorentz relation, F=qvBSinα

For parallel ( α=0 ) , anti-parallel ( α=180 ) Sinα=0

So, F=0 .

Conclusion: - An external magnetic field always a force on other magnets and charge particles.

Part (c)

To determine

To Determine: - Force experienced by electric current in a wire when placed in magnetic field.

Part (c)

Expert Solution
Check Mark

Answer to Problem 1OQ

Solution: - Electric current in a wire will experience a force.

Explanation of Solution

Explanation: - Electric current in a wire will experience a force because current is only due to moving charges and magnetic field always exerts a force on moving charges so, conductor will also experience a force.

Conclusion: - Every conductor experiences a force given by a relation F=ilBSinθ .

Part (d)

To determine

To Determine: - Force experienced by another magnet when placed in magnetic field of a magnet.

Part (d)

Expert Solution
Check Mark

Answer to Problem 1OQ

Solution: - Another magnet will experience a force.

Explanation of Solution

Explanation: - Another magnet always experiences a force because it is a natural property of a magnet, but this force can be repulsive or attractive depending on the nature of poles of a magnet.

Conclusion: - Magnetic force between the magnets is inversely proportional to the distance between them.

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Chapter 20 Solutions

EP PHYSICS: PRIN.APP.AP-MOD.MASTERING

Ch. 20 - Prob. 10QCh. 20 - Prob. 11QCh. 20 - Prob. 12QCh. 20 - 13. Explain why a strong magnet held near a CRT...Ch. 20 - Prob. 14QCh. 20 - Prob. 15QCh. 20 - Prob. 16QCh. 20 - Prob. 17QCh. 20 - If a moving charged particle is deflected sideways...Ch. 20 - Prob. 19QCh. 20 - Prob. 20QCh. 20 - Prob. 21QCh. 20 - Prob. 22QCh. 20 - Prob. 23QCh. 20 - Why will either pole of a magnet attract an...Ch. 20 - Prob. 25QCh. 20 - Prob. 1MCQCh. 20 - Prob. 2MCQCh. 20 - Prob. 3MCQCh. 20 - Prob. 4MCQCh. 20 - Prob. 5MCQCh. 20 - Prob. 6MCQCh. 20 - Prob. 7MCQCh. 20 - Prob. 8MCQCh. 20 - Prob. 9MCQCh. 20 - Prob. 10MCQCh. 20 - Prob. 11MCQCh. 20 - Prob. 12MCQCh. 20 - Prob. 1PCh. 20 - Prob. 2PCh. 20 - A 240-m length of wire stretches between two...Ch. 20 - Prob. 4PCh. 20 - Prob. 5PCh. 20 - Prob. 6PCh. 20 - Prob. 7PCh. 20 - Prob. 8PCh. 20 - Prob. 9PCh. 20 - Prob. 10PCh. 20 - Prob. 11PCh. 20 - Find the direction of the force on a negative...Ch. 20 - Prob. 13PCh. 20 - Prob. 14PCh. 20 - Prob. 15PCh. 20 - For a particle of mass mand charge q moving in a...Ch. 20 - Prob. 17PCh. 20 - Prob. 18PCh. 20 - Prob. 19PCh. 20 - Prob. 20PCh. 20 - Prob. 21PCh. 20 - Prob. 22PCh. 20 - Prob. 23PCh. 20 - Prob. 24PCh. 20 - Jumper cables used to start a stalled vehicle...Ch. 20 - Prob. 26PCh. 20 - Prob. 27PCh. 20 - A vertical straight wire carrying an upward 28-A...Ch. 20 - Prob. 29PCh. 20 - Prob. 30PCh. 20 - Prob. 31PCh. 20 - Prob. 32PCh. 20 - Prob. 33PCh. 20 - A straight stream of protons passes a given point...Ch. 20 - Prob. 35PCh. 20 - Prob. 36PCh. 20 - Prob. 37PCh. 20 - A power line carries a current of 95 A west along...Ch. 20 - Prob. 39PCh. 20 - Prob. 40PCh. 20 - Prob. 41PCh. 20 - Prob. 42PCh. 20 - Prob. 43PCh. 20 - Prob. 44PCh. 20 - Prob. 45PCh. 20 - Prob. 46PCh. 20 - A 550-turn horizontal solenoid is 15 cm long. The...Ch. 20 - Prob. 48PCh. 20 - Prob. 49PCh. 20 - (a) Use Ampere’s law to show that the magnetic...Ch. 20 - Prob. 51PCh. 20 - Prob. 52PCh. 20 - Prob. 53PCh. 20 - A circular coil 12.0 cm in diameter and containing...Ch. 20 - Prob. 55PCh. 20 - Prob. 56PCh. 20 - Prob. 57PCh. 20 - One form of mass spectrometer accelerates ions by...Ch. 20 - Prob. 59PCh. 20 - Prob. 60PCh. 20 - Prob. 61PCh. 20 - Prob. 62PCh. 20 - 63. * (II) The following are some values of Band...Ch. 20 - Prob. 64GPCh. 20 - Prob. 65GPCh. 20 - Prob. 66GPCh. 20 - Prob. 67GPCh. 20 - Prob. 68GPCh. 20 - Prob. 69GPCh. 20 - Prob. 70GPCh. 20 - Prob. 71GPCh. 20 - Prob. 72GPCh. 20 - Prob. 73GPCh. 20 - Prob. 74GPCh. 20 - Magnetic fields are very useful in particle...Ch. 20 - Prob. 76GPCh. 20 - Prob. 77GPCh. 20 - Prob. 78GPCh. 20 - Prob. 79GPCh. 20 - Prob. 80GPCh. 20 - Prob. 81GPCh. 20 - Prob. 82GPCh. 20 - Prob. 83GPCh. 20 - Prob. 84GPCh. 20 - Prob. 85GPCh. 20 - Prob. 86GPCh. 20 - Prob. 87GPCh. 20 - The cyclotron (Fig. 20-72?) is a device used to...Ch. 20 - 89. Three long parallel wires are 3.8 cm from one...Ch. 20 - Prob. 90GPCh. 20 - Prob. 91GPCh. 20 - Prob. 92GP
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