1Which of the following electromagnets will have the weaker force assuming the number of coils around the core is the same? a wire with a 2.00 A current a wire with a 1.50 A current a wire with a 0.50 A current a wire with a 1.00 A current 2A proton moves with an unknown velocity through a magnetic field of 6.79 x 10-4 T that points directly south. The proton experiences a force of 3.45 x 10-16 N directly east. What is the magnitude of the velocity? (charge of a proton is +1.6 x 10-19 C) 1.23 x 107 m/s 3.18 x 107 m/s 1.23 x 106 m/s 3.18 x 106 m/s3You bring the north pole of one magnet close to the south pole of another magnet. Which of the following is/are true? Check all that apply. The field lines move from the north pole of the one to toward the south pole of the other magnet. There is a repulsive force between the north pole of the one and the south pole of the other. There is an attractive force between the north pole of the one and the south pole of the other. The field lines move from the south pole of the one to toward the north pole of the other magnet.

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Answered: 1Which of the following electromagnets…

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter28: Magnetic Fields

Section: Chapter Questions

Problem 6P: A laboratory electromagnet produces a magnetic field of magnitude 1.50 T. A proton moves through...

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1Which of the following electromagnets will have the weaker force assuming the number of coils around the core is the same?

	a wire with a 2.00 A current
	a wire with a 1.50 A current
	a wire with a 0.50 A current
	a wire with a 1.00 A current

2A proton moves with an unknown velocity through a magnetic field of 6.79 x 10^-4 T that points directly south. The proton experiences a force of 3.45 x 10^-16 N directly east. What is the magnitude of the velocity? (charge of a proton is +1.6 x 10^-19 C)

	1.23 x 10⁷ m/s
	3.18 x 10⁷ m/s
	1.23 x 10⁶ m/s
	3.18 x 10⁶ m/s

3You bring the north pole of one magnet close to the south pole of another magnet. Which of the following is/are true? Check all that apply.

	The field lines move from the north pole of the one to toward the south pole of the other magnet.
	There is a repulsive force between the north pole of the one and the south pole of the other.
	There is an attractive force between the north pole of the one and the south pole of the other.
	The field lines move from the south pole of the one to toward the north pole of the other magnet.

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