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5.56 The circuit of Figure P5.56 is used as a variable delay in a burglar alarm. The alarm is a siren with internal resistance of 1 k2. The alarm will not sound until the current i exceeds 100 µA. Find the range of the variable resistor, R, for which the delay is between 1 and 2 s. Assume the capacitor is initially uncharged. This problem will require a graphical or numerical solution. 20 k2 ww Alarm 10 V 100 μF 1 k2 trigger Alarm

5.56 The circuit of Figure P5.56 is used as a variable delay in a burglar alarm. The alarm is a siren with internal resistance of 1 k2. The alarm will not sound until the current i exceeds 100 µA. Find the range of the variable resistor, R, for which the delay is between 1 and 2 s. Assume the capacitor is initially uncharged. This problem will require a graphical or numerical solution. 20 k2 ww Alarm 10 V 100 μF 1 k2 trigger Alarm

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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5.56 The circuit of Figure P5.56 is used as a variable delay in a burglar alarm. The alarm is a siren with internal resistance of 1 k2. The alarm will not sound until the current i exceeds 100 µA. Find the range of the variable resistor, R, for which the delay is between 1 and 2 s. Assume the capacitor is initially uncharged. This problem will require a graphical or numerical solution. 20 k2 ww Alarm 10 V 100 μF 1 k2 trigger Alarm
Transcribed Image Text:5.56 The circuit of Figure P5.56 is used as a variable delay in a burglar alarm. The alarm is a siren with internal resistance of 1 k2. The alarm will not sound until the current i exceeds 100 µA. Find the range of the variable resistor, R, for which the delay is between 1 and 2 s. Assume the capacitor is initially uncharged. This problem will require a graphical or numerical solution. 20 k2 ww Alarm 10 V 100 μF 1 k2 trigger Alarm
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