4) After the switch has been closed for a very long time, it is then opened. What is I3(topen), the current through the resistor R3 at a time topen = 6.8 ms after the switch was opened? The positive direction for the current is indicated in the figure. A Submit 5) What is VL.max(closed), the magnitude of the maximum voltage across the inductor during the time when the switch is closed? V Submit 6) What is VL,max(open), the magnitude of the maximum voltage across the inductor during the time when the switch is open? V Submit
4) After the switch has been closed for a very long time, it is then opened. What is I3(topen), the current through the resistor R3 at a time topen = 6.8 ms after the switch was opened? The positive direction for the current is indicated in the figure. A Submit 5) What is VL.max(closed), the magnitude of the maximum voltage across the inductor during the time when the switch is closed? V Submit 6) What is VL,max(open), the magnitude of the maximum voltage across the inductor during the time when the switch is open? V Submit
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter15: Residential Air-conditioning Control Systems
Section: Chapter Questions
Problem 19RQ
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KVL and KCL
KVL stands for Kirchhoff voltage law. KVL states that the total voltage drops around the loop in any closed electric circuit is equal to the sum of total voltage drop in the same closed loop.
Sign Convention
Science and technology incorporate some ideas and techniques of their own to understand a system skilfully and easily. These techniques are called conventions. For example: Sign conventions of mirrors are used to understand the phenomenon of reflection and refraction in an easier way.
Question
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4, 5, 6
![A circuit is constructed with four resistors,
one inductor, one battery and a switch as
shown. The values for the resistors are: R1 =
R.
ww
R2 = 39 0, R3 = 62 Q and R4 = 126 Q. The
inductance is L = 362 mH and the battery
voltage is V = 12 V. The positive terminal of
the battery is indicated with a + sign.
R2
1) The switch has been open for a long time when at time t = 0, the switch
is closed. What is l4(0), the magnitude of the current through the resistor
R4 just after the switch is closed?
0.05286
A Submit
2) What is l4(00), the magnitude of the current through the resistor R4
after the switch has been closed for a very long time?
0.06351
A Submit
3) What is I (0o), the magnitude of the current through the inductor after
the switch has been closed for a very long time?
0.0389
A Submit
4) After the switch has been closed for a very long time, it is then opened.
What is I3(topen), the current through the resistor R3 at a time topen = 6.8
ms after the switch was opened? The positive direction for the current is
indicated in the figure.
Submit
5) What is VL,max(closed), the magnitude of the maximum voltage across
the inductor during the time when the switch is closed?
Submit
6) What is VL,max(open), the magnitude of the maximum voltage across
the inductor during the time when the switch is open?
V Submit
0000](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F46ab2f56-ab23-4172-80ab-390e59dc1949%2Fff83e7ca-d8e8-46f7-a7ca-9da9c554c445%2Fnpywr7b_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A circuit is constructed with four resistors,
one inductor, one battery and a switch as
shown. The values for the resistors are: R1 =
R.
ww
R2 = 39 0, R3 = 62 Q and R4 = 126 Q. The
inductance is L = 362 mH and the battery
voltage is V = 12 V. The positive terminal of
the battery is indicated with a + sign.
R2
1) The switch has been open for a long time when at time t = 0, the switch
is closed. What is l4(0), the magnitude of the current through the resistor
R4 just after the switch is closed?
0.05286
A Submit
2) What is l4(00), the magnitude of the current through the resistor R4
after the switch has been closed for a very long time?
0.06351
A Submit
3) What is I (0o), the magnitude of the current through the inductor after
the switch has been closed for a very long time?
0.0389
A Submit
4) After the switch has been closed for a very long time, it is then opened.
What is I3(topen), the current through the resistor R3 at a time topen = 6.8
ms after the switch was opened? The positive direction for the current is
indicated in the figure.
Submit
5) What is VL,max(closed), the magnitude of the maximum voltage across
the inductor during the time when the switch is closed?
Submit
6) What is VL,max(open), the magnitude of the maximum voltage across
the inductor during the time when the switch is open?
V Submit
0000
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