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Consider the circuit shown in the figure. a w R 89 Ohms 9 Ohms b 9 Ohms 89 Ohms (a) Let the equivalent resistance of the circuit when the switch is open the difference (in (2) between the two equivalent resistances, R Req, open - Req, closed be eq, open Ω and the equivalent resistance when the switch is closed be Req, closed Find Rea eq, open' R eq, closed (b) When the switch S is closed, the equivalent resistance drops to 68% of the original value. Determine the value of R (in ). Ω

Consider the circuit shown in the figure. a w R 89 Ohms 9 Ohms b 9 Ohms 89 Ohms (a) Let the equivalent resistance of the circuit when the switch is open the difference (in (2) between the two equivalent resistances, R Req, open - Req, closed be eq, open Ω and the equivalent resistance when the switch is closed be Req, closed Find Rea eq, open' R eq, closed (b) When the switch S is closed, the equivalent resistance drops to 68% of the original value. Determine the value of R (in ). Ω

University Physics Volume 2
University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
Publisher:OpenStax
Chapter10: Direct-current Circuits
Section: Chapter Questions
Problem 94CP: Consider the circuit below, (a) What is the initial current through resistor R2? when the switch is...
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Consider the circuit shown in the figure. a w R 89 Ohms 9 Ohms b 9 Ohms 89 Ohms (a) Let the equivalent resistance of the circuit when the switch is open the difference (in (2) between the two equivalent resistances, R Req, open - Req, closed be eq, open Ω and the equivalent resistance when the switch is closed be Req, closed Find Rea eq, open' R eq, closed (b) When the switch S is closed, the equivalent resistance drops to 68% of the original value. Determine the value of R (in ). Ω
Transcribed Image Text:Consider the circuit shown in the figure. a w R 89 Ohms 9 Ohms b 9 Ohms 89 Ohms (a) Let the equivalent resistance of the circuit when the switch is open the difference (in (2) between the two equivalent resistances, R Req, open - Req, closed be eq, open Ω and the equivalent resistance when the switch is closed be Req, closed Find Rea eq, open' R eq, closed (b) When the switch S is closed, the equivalent resistance drops to 68% of the original value. Determine the value of R (in ). Ω
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