7/26/2019 Mass Ratio

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1

V2

2

1mveV

m

eVv

22 (1)

B

F=evB ( Bv

) e

r

mvF

2

r

mvevB

2

(2)

(1)(2) v

22

2

rB

V

m

e (3)

Vr

B

3/ 2 4 2

0

4( ) 7.80 10 ( / )

5

nIB I Wb m

R

(4)

70 104 n( n=130 )R

( 0.15 )I

e= 191060.1 C() m= 311011.9

kg 111076.1/ me (C/kg)

1.

300V

2.

3. e/m

4.

5.

1.(1)

2. 6.3V 3

BveF

7/26/2019 Mass Ratio

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2

180V

(1)

3.

2 r

r(V)

(I)

4.(1) VI 3.

r V I(1)(

)

5.4V r3 e/m

6. V r 345

(2)

() r

rm

V

V

I

A

BWb/m2

B I 7 8 10 4.

e m V B r / / 2 2 2

1 240

2 250

3 260

4 270

5 280

(1)

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3

()I(B)

rm

V

V

I

A

BWb/m2

B I 7 8 10 4.

e m V B r / / 2 2 2

1 240

2 250

3 260

4 270

5 280

(2)

1.(1)(2) V() &B() V() &r()

2.

3.(P.E.)(hint

)

4.

5.()

6.

7.

8. Bio-Savert (4)

R

nIB

2/3

05

4

()

kgCme /1076.1/ 11

1.PASCOLEYBOLD

2.Harris Benson, University Physics, Revised, John Wiley & Sons, Inc., 1995

3.David Halliday, Robert Resnic, Jearl Walker, Fundamentals of Physics, 6th

ed., John Wiley & Sons, Inc.2001