35A. With the switch open, as shown, what is the current I;? [ Select] B. The switch is closed (and remains closed for part C). What is the voltage across the 4 Q resistor? | Select ] C. Which of the currents have changed in magnitude after the switch is closed? ( Select ] 20 20

35A. With the switch open, as shown, what is the current I;? [ Select] B. The switch is closed (and remains closed for part C). What is the voltage across the 4 Q resistor? | Select ] C. Which of the currents have changed in magnitude after the switch is closed? ( Select ] 20 20

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 85PE: (a) Haw much power is dissipated in a short circuit of 240-V AC through a resistance of 0.250 ? (b)...

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35A. With the switch open, as shown, what is the current I,? Select]
B. The switch is closed (and remains closed for part C). What is the voltage across the 4 Q resistor?
| Select ]
C. Which of the currents have changed in magnitude after the switch is closed? [ Select ]
20
20

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