1. Solve the following resistance problems: a. A 4.2 cm long copper wire has a cross-sectional area of 3.7 mm?. Determine the resistance of that wire. Check the resistivity of Copper int the table given in the textbook. b. Consider a 1.6 cm long silver wire. What is the cross-sectional area of the wire for it to have a resistance of 2.2 x 10² 0. 2. Apply Ohm's law to the following problems: a. A current of 0.0021 A flows to a resistor having a resistance of 10.12 0. Calculate the voltage. b. A current of 0.045 A flows to an electrical device. If the resistance of the material is 6.1 Q, what is the voltage of the electrical device? 3. Given the series circuit, solve for the 1.2 Q a. Total resistance 12 V 0.2 Q- b. Current of each resistor
1. Solve the following resistance problems: a. A 4.2 cm long copper wire has a cross-sectional area of 3.7 mm?. Determine the resistance of that wire. Check the resistivity of Copper int the table given in the textbook. b. Consider a 1.6 cm long silver wire. What is the cross-sectional area of the wire for it to have a resistance of 2.2 x 10² 0. 2. Apply Ohm's law to the following problems: a. A current of 0.0021 A flows to a resistor having a resistance of 10.12 0. Calculate the voltage. b. A current of 0.045 A flows to an electrical device. If the resistance of the material is 6.1 Q, what is the voltage of the electrical device? 3. Given the series circuit, solve for the 1.2 Q a. Total resistance 12 V 0.2 Q- b. Current of each resistor
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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answer 1
Transcribed Image Text:1. Solve the following resistance problems
a. A 4.2 cm long copper wire has a cross-sectional area of 3.7 mm?. Determine
the resistance of that wire. Check the resistivity of Copper int the table given
in the textbook.
b. Consider a 1.6 cm long silver wire. What is the cross-sectional area of the
wire for it to have a resistance of 2.2 x 102 Q.
2. Apply Ohm's law to the following problems:
A current of 0.0021 A flows to a resistor having a resistance of 10.12 Q.
a
Calculate the voltage.
b. A current of 0.045 A flows to an electrical device. If the resistance of the
material is 6.10. what is the voltage of the electrical device?
3. Given the series circuit, solve for the
1.2 0
a
Total resistance
12 V
0.2 02
b. Current of each resistor
0.8 Q
c. Voltage of each resistor
4. Given the parallel circuit, solve for the
a. Total resistance
12 V-
1.2 03 0.6 QŹ 0.4 0E
b. Current of each resistor
c. Voltage of each resistor
0.05 Q
5. Given the circuit, solve for the
0.2 Q
a
Total resistance
0.10
b. Total current
12 V
1.0 0
C.
Total voltage
0.4 Q
6. Given the following resistance R, = 100, R2 = 50, and R3 = 50, and voltage V, =
20V and V, = 12V, Solve the current in the circuit.
V1
R2
wW-
ER3
ww-
R1
v2
7. Given the following resistance R, = 10 Q, R, = 6 0, R = 50, R, = 20 Q and voltage
V, = 12V and V, = 8V. Solve for the current in the circuit.
R1
R2
V1=
ㅜ v2
R3
R4
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