Ch 29

Question 1

What is the law of magnatic force?

Answer 1

Fb=qv*B sin thita
Fb= magnatic force
B=magnatic field

Question 2

What does b equals to?

Answer 2

B=F/qv sin thita

Question 3

What is the right hand rule?

Answer 3

Fingers=B
Thumb=v
كفك=F

Question 4

What does
K, i, and j equals?

Answer 4

K=ij or -ji
I=jk or -kj
J=ki or -ik

Question 5

Find the linear speed of the proton

Answer 5

V=qBr/mp
Mp= mass if the proton

Question 6

Find the period of the circular motion of the proton

Answer 6

T=2 pi mp/qb
Qb= proton charge

Question 7

Find the angular speed of the electron

Answer 7

W=v/r

Question 8

Find the velocity selector

Answer 8

V=E/B

Question 9

Find Fmax

Answer 9

Fmax=BIl

Question 10

What does Torque means?

Answer 10

Is the measure of the force that can cause a rotate about the x axis
Tao=rF sin thita

Question 11

Find the torque on a rectangular loop

Answer 11

Tao net=taoR+TaoL=IABsin thita

Question 12

Find the torque and magnetic moment of the loop on the coil circle

Answer 12

Tao=IA sin thita
IA=magnetic moment
IA=3ipir square

Question 13

Find the magnetic moment of the square, finf the torque

Answer 13

IA=NIKA
Torque= IA*B