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1- Determine the width of a carbon resistor having a sheet resistance of 15 0 1 if the length is 1/2 in. and the resistance is 500 N.

1- Determine the width of a carbon resistor having a sheet resistance of 15 0 1 if the length is 1/2 in. and the resistance is 500 N.

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter13: Heating Control Devices
Section: Chapter Questions
Problem 28RQ
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Assignment 1- Determine the width of a carbon resistor having a sheet resistance of 15 0 fN if the length is 1/2 in. and the resistance is 500 2. 2- Find the conductance of each of the following resistances: 120 A a. b. 4kn 2.2 MA c. d. Compare the three results. 3- If an electric heater draws 9.5 A when connected to a 120 V supply, what is the internal resistance of the heater? 4- In a TV camera, a current of 2.4 mA passes through a resistor of 3.3 MA. What does the voltage drop across the resistor? 5. For the network in Fig. a. Determine I, and V. b. Determine I, if R̟ is shorted out. c. Determine V, if R is replaced by an open circuit. 100 N E 12 V RL 10 kn VL FIG. 6. For the network in Fig. a. Determine the open-circuit voltage V b. If the 2.2 kN resistor is short circuited, what is the new value of V,? c. Determine Vị if the 4.7 kl resistor is replaced by an open circuit. 2.2 kn 3.3 kn 34.7 kn 9 V VL FIG. 7. For the network in figure a. the short-circuit currents I, and I. b. the voltages V, and V2. c. the source current I,. determine
Transcribed Image Text:Assignment 1- Determine the width of a carbon resistor having a sheet resistance of 15 0 fN if the length is 1/2 in. and the resistance is 500 2. 2- Find the conductance of each of the following resistances: 120 A a. b. 4kn 2.2 MA c. d. Compare the three results. 3- If an electric heater draws 9.5 A when connected to a 120 V supply, what is the internal resistance of the heater? 4- In a TV camera, a current of 2.4 mA passes through a resistor of 3.3 MA. What does the voltage drop across the resistor? 5. For the network in Fig. a. Determine I, and V. b. Determine I, if R̟ is shorted out. c. Determine V, if R is replaced by an open circuit. 100 N E 12 V RL 10 kn VL FIG. 6. For the network in Fig. a. Determine the open-circuit voltage V b. If the 2.2 kN resistor is short circuited, what is the new value of V,? c. Determine Vị if the 4.7 kl resistor is replaced by an open circuit. 2.2 kn 3.3 kn 34.7 kn 9 V VL FIG. 7. For the network in figure a. the short-circuit currents I, and I. b. the voltages V, and V2. c. the source current I,. determine
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