a. Draw the current flow on the circuit. C. b. Calculate the equivalent resistance of the circuit Complete the table for each resistance Note: (value of current (1₁) in this task used the last digit of your student number) R (W) DV (v) I (A) P (W) 1₁=3A W 30 352 ww 1052 W 1552 24502 W 8Ω W 65 Figure 3 www 552

a. Draw the current flow on the circuit. C. b. Calculate the equivalent resistance of the circuit Complete the table for each resistance Note: (value of current (1₁) in this task used the last digit of your student number) R (W) DV (v) I (A) P (W) 1₁=3A W 30 352 ww 1052 W 1552 24502 W 8Ω W 65 Figure 3 www 552

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter21: Circuits And Dc Instruments

Section: Chapter Questions

Problem 53PE: A 1,00-?O voltmeter is placed in parallel with a 75.0kresistor in a circuit, (a) Draw a circuit...

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A person with body resistance between his hands of 10.0k accidentally grasps the terminals of a20.0-kV power supply. (Do NOT do this!) (a) Draw a circuit diagram to represent the situation, (b) If the internal resistance of the power supply is 2000 , what is thecurrent through his body? (c) What is the power dissipated in his body? (d) If the power supply is to be made safe by increasing its internal resistance, what should the internal resistance be for the maximum current in this situation to be 1.00 mA or less? (e) Will this modification compromise the effectiveness of the power supply for driving low- resistance devices? Explain your reasoning.
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