3.4 a) Use voltage division to determine the voltage v, across the 40 resistor in the circuit shown. 40 Ω 50 2 + v. 60 V 20 Ως 30 Ωξ 10Ω b) Use vo from part (a) to determine the cur- rent through the 40 2 resistor, and use this current and current division to calculate the current in the 30 N resistor. 70N Answer: (a) 20 V; c) How much power is absorbed by the 50 N resistor? (b) 166.67 mA; (c) 347.22 mW.

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Question
a) Use voltage division to determine the
voltage v, across the 40 resistor in the
circuit shown.
3.4
40 Ω
50 2
+ v,
60 V
20 Ως
30 Ωξ
10ΩΣ
b) Use vo from part (a) to determine the cur-
rent through the 40 resistor, and use this
current and current division to calculate the
current in the 30 N resistor.
70 N
Answer: (a) 20 V;
c) How much power is absorbed by the 50 N
resistor?
(b) 166.67 mA;
(c) 347.22 mW.
Transcribed Image Text:a) Use voltage division to determine the voltage v, across the 40 resistor in the circuit shown. 3.4 40 Ω 50 2 + v, 60 V 20 Ως 30 Ωξ 10ΩΣ b) Use vo from part (a) to determine the cur- rent through the 40 resistor, and use this current and current division to calculate the current in the 30 N resistor. 70 N Answer: (a) 20 V; c) How much power is absorbed by the 50 N resistor? (b) 166.67 mA; (c) 347.22 mW.
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