Question

1. Which of the following statements about the direction of a magnetic force is always true?...

1. Which of the following statements about the direction of a magnetic force is always true? (Note: More than one answer choice may be correct)
a)The direction of the magnetic force on a moving charged particle is parallel to the direction of the external magnetic field.
b)The direction of the magnetic force on a moving charged particle is parallel to the direction of the charged particle's velocity.
c)The direction of the magnetic force on a moving charged particle is perpendicular to the direction of the external magnetic field.
d)The direction of the magnetic force on a moving charged particle is perpendicualr to the direction of the charged particle's velocity.

2. Which of the following statements is NOT TRUE concerning the creation of magnetic fields?
a)A permanent magnet creates a magnetic field at all points in space around it.
b)A distribution of electric charges at rest creates a magnetic field at all points in space around it.
c)A moving electric charge creates a magnetic field at all points in space around it.
d)An electric current creates a magnetic field at all points in space around it
e)All of the above statements are true.

3. When a standard bar magnet (made of billions of atoms and molecules) is cut exactly in half, each piece always becomes a smaller bar magnet that has its own magnetic North and South poles
a) TRUE
b) FALSE

4. The magnitude of the magnetic field a certain distance away from a long, straight conductor (e.g. a wire) is B. What is the magnitude of the magnetic field at half the distance away from the conductor?
a) 4B
b) 2B
c) B
d) B/2
e) B/4

5. Permanent magnets attract ALL metals through ferromagnetism
a) TRUE
b) FALSE

6. What is the standard unit of magnetic field?
a) Tesla (T)
b)Netwon-Coulomb (N•C)
c)Weber (Wb)
d)Gauss (G)

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1.Which of the following statements about the direction of a magnetic force is always true? (Note:...
1.Which of the following statements about the direction of a magnetic force is always true? (Note: More than one answer choice may be correct a. The direction of the magnetic force on a moving charged particle is perpendicular to the direction of the external magnetic field. b. The direction of the magnetic force on a moving charged particle is parallel to the direction of the charged particle's velocity. c. The direction of the magnetic force on a moving charged particle...
Consider a magnetic force exerted on an electric charge in a uniform B⃗ B→ field. Which...
Consider a magnetic force exerted on an electric charge in a uniform B⃗ B→ field. Which of the following statements are true? Check all that apply. The direction of the magnetic force exerted on a moving charge in a magnetic field is perpendicular to the direction of the B⃗ B→ field. A magnetic force is exerted on an electric charge moving parallel to a B⃗ B→ field. A magnetic force is exerted on a stationary electric charge in a uniform...
Which of the following statements is correct? Question 1 options: Magnetic field lines come out of...
Which of the following statements is correct? Question 1 options: Magnetic field lines come out of the magnetic south pole of the magnet and enter at the north pole of the magnet. Like poles of magnets attract each other and unlike poles repel. The north pole of a magnet points toward the Earth's geographic north pole. If you cut a bar magnet in half, you get one piece with just a north magnetic pole on it and the second piece...
A moving proton experiences force from a magnetic field. true or false If the charged particle...
A moving proton experiences force from a magnetic field. true or false If the charged particle experiences a downward force (towards the bottom of the screen), what is the sign of the charge? true or false If there were an electric field pointing into the computer screen instead of a magnetic field, what would be the direction of force on the charge?
The direction of the magnetic force on an electron moving through a magnetic field is the...
The direction of the magnetic force on an electron moving through a magnetic field is the same as the direction of the vector formed by taking the cross product of the velocity with the magnetic field (v x B).            True/ False The magnetic field is also referred to as the magnetic flux _____________ [one word]. Consider a particle moving through a magnetic field. If the magnetic field doubles and the velocity of the particle halves, the magnetic force will:...
Which of the following statements correctly compare the ideal parallel-plate capacitor to the ideal solenoid? Select...
Which of the following statements correctly compare the ideal parallel-plate capacitor to the ideal solenoid? Select all that apply. A) The direction of the uniform electric field in the capacitor is parallel to the plates making up the capacitor, while the direction of the uniform magnetic field is parallel to the axis of the solenoid. B) In the ideal capacitor changing the distance between the plates does not affect the electric field. In the ideal solenoid changing the radius of...
For the following statements, indicate whether the statement is true or false and explain in words...
For the following statements, indicate whether the statement is true or false and explain in words your reasoning. a) If I increase the number of moving charged particles per cubic meter in a conductor, I will have to increase the cross sectional area of the conductor to get the same amount of current for the same electric field in the conductor. b) The change in magnetic flux in a closed loop induces an EMF that opposes the change in magnetic...
1)A particle moving to the right in a uniform magnetic field directed upwards experiences a magnetic...
1)A particle moving to the right in a uniform magnetic field directed upwards experiences a magnetic force directed inwards. The particle is (A) positively charged. (B) negatively charged. (C) uncharged. (D) Either A or B. (E) Any of the above. 2) A charged particle moves in a uniform magnetic field which is perpendicular to the particle’s velocity. Which of the following statements is/are correct? (A) The particle moves in a circle. (B) The kinetic energy of the particle does not...
For which of the following conditions will a particle experience no magnetic force? (Assume an external...
For which of the following conditions will a particle experience no magnetic force? (Assume an external magnetic field is present.) NOTE: You must provide an explanation for your answer to receive credit. a.  It is not moving. b.  It is moving perpendicular to the magnetic field. c.  It has no charge. d.  Both (a) and (c) are correct. e.  All of the above are correct. 2)After reading this fascinating lesson, you and your friend are discussing ways to stop a fast-moving charged particle. He claims...
Analyze and answer the following questions: 1- The magnetic force on a charged particle is perpendicular...
Analyze and answer the following questions: 1- The magnetic force on a charged particle is perpendicular to the speed ?⃗ it moves with, so it is said that, in this case, the magnetic force does no work over the charged particle. Explain this statement. 2- Does a magnetic force acting on the moving part of a circuit do work? Justify your statement with an example and the respective equations 3- Build an example, with feasible data, of the magnetic force...