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# 欧姆定律习题

ξ15.2欧姆定律

《同步训练》p63第4题

U1 2 解：I 1 ? ? R R U2 2.8 I2 ? ? R R I 2 ? I 1 ? 0.8
2.8

?

R

?

2

R

? 0.8

R ? 8?

U2 3I 1 I1 I2 ? ? ? R2 6 2 I ? I1 ? I 2 ? I1 ? I 1 ? 0 .4 A I1
2 ? 0.6

《同步训练》p63第5题

U ? U 1 ? 6V U1 6 V R1 ? ? ? 10? I1 0.6A

S 2断开，R 1 ,R 2串联 U 2 ? U ? U 1 ? 6V ? 2 ? 4V V I 2 ? I1 ? U 2 V ? ? 0.2A R1 10 ?
' 1 '

U2 4V R2 ? ? ? 20 ? I2 0.2A

《百练百胜》p52第6题

V2

Diagram 3

Diagram 1 Test Test Test Test Test Test Test Test Test 1 2 3 4 5 6 7 8 9

Diagram 2 Test Test Test Test Test Test Test Test Test 1 2 3 4 5 6 7 8 9

Diagram 3 Test Test Test Test Test Test Test Test Test 1 2 3 4 5 6 7 8 9

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Chart 1 ? Chart
A 1 2 3 4 5
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B

C

D

E

Click to edit Master title style

Text

You may want to allocate one slide per competitor You may want to allocate one slide per competitor You may want to allocate one slide per competitor

?Competitors
You may want to allocate one slide per competitor

?Strengths

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Click to edit Master title style

Text

Text

You may want to allocate one slide per competitor You may want to allocate one slide per competitor You may want to allocate one slide per competitor

You may want to allocate one slide per competitor You may want to allocate one slide per competitor You may want to allocate one slide per competitor

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Chart 2
100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0%

1

2

3

A

B

C

4
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Chart 3

4

3

2

1 0 50 100 150 200

A B C
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