7/25/2019 Hello to Future

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Figure P2.19

Find in the network in Fig. P2.20.

Figure P2.20

Find I

1

, I

2

, and I

3

in the network in Fig. P2.21.

Figure P2.21

2.23Find in the circuit in Fig. P2.23.

Figure P2.23

2.24Find in the network in Fig. P2.24.

Figure P2.24

2.25Find and in the circuit in Fig. P2.25.

Figure P2.25

+-

abcd

e f g

2

-

+

3

+

-

1 -+

1 +-

2

12 3

7/25/2019 Hello to Future

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-+

!"

ec fb

a b c

ed

4 12

3 2 + +- -

3 - +

"

!

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!

ad

a b c

d

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12

4

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2

+

+

-

-

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!

bd

2I

$

I

7/25/2019 Hello to Future

3/3

2

I

3

I

1

12 %&

4 %&

2I

$

I

$

2I

$

I

1

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4 %&

# %&

I

$

I1

4 %&

12 %&

I

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I

1