Magnetic Forces and Magnetic Fields

Question 1

a permanent magent that has a north magnetic pole (N) at one end and a south magnetic pole (S) at the other.

Answer 1

Needle of compass

Question 2

the behavior of __________ is similar to that of like and unlike electric charges.

Answer 2

magnetic poles

Question 3

Surroundings a magnet there is a ____________.

Answer 3

Magnetic Field

Question 4

The direction of the magnetic field at any point in space is the direction indicated by the ________ of a small compass needle placed at that point.

Answer 4

north pole

Question 5

The following condition must be met for a charge to experience a MAGNETIC FORCE when placed in a magnetic field:

1. the charge must be __________.
2. the velocity of the charge must have a component that is ________ to the direction of the magnetic field.

Answer 5

moving
perpendicular

Question 6

extend the right hand so the fingers point along the direction of the ______________ and the thumb points along the __________ of the charge. The palm of the hand then faces in the direction of the ________ that acts on a ____________.

Answer 6

magnetic field
velocity
magnetic force
positive

Question 7

if the moving charge is __________, the direction of the force is oppoisite to that predicted by __________

Answer 7

RHR-1

Question 8

the magnitude of the magnetic field at any point in space is defined as

Answer 8

B = F/ |q0|(vsin0)

Question 9

where the angle (0<0<180degrees) is the angle between the ________ of the charge and the direction of _________.

Answer 9

Velocity
Magnetic field

Question 10

SI Unit of Magnetic Field:

newton x second / coulumb x meter

Answer 10

1 Tesla (T)

Question 11

1 gauss

Answer 11

10^-4 Tesla

Question 12

The magnetic force always remains ___________ to the velocity and is directed toward the center of the circular path.

Answer 12

Perpendicular

Question 13

the magnetic force on the moving charges ______ the wire to th right.

Answer 13

pushes