A circuit is constructed with four resistors, one inductor, one battery and a switch as shown. The values for the resistors are: R1 = R2 = 39 Q, R3 = 62 Q and R4 = 126 Q. The inductance isL = 362 mH and the battery voltage is V = 12 V. The positive terminal of the battery is indicated with a + sign. R, %3D R3 L 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(0), 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 IL(00), the magnitude of the current through the inductor after the switch has been closed for a very long time? 0.0389 A Submit

A circuit is constructed with four resistors, one inductor, one battery and a switch as shown. The values for the resistors are: R1 = R2 = 39 Q, R3 = 62 Q and R4 = 126 Q. The inductance isL = 362 mH and the battery voltage is V = 12 V. The positive terminal of the battery is indicated with a + sign. R, %3D R3 L 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(0), 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 IL(00), the magnitude of the current through the inductor after the switch has been closed for a very long time? 0.0389 A Submit

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Electromagnets

The word "electromagnet" is composed of two words, ‘electro’ and ‘magnet’. It is a type of magnet in which an electric current helps in the generation of a magnetic field. Electromagnets usually consist of two major parts, wire and a coil around which the wire is wound. This is called a solenoid. When an electric current is allowed to pass through the coiled wire, the electric current produces a magnetic field. This magnetic field is present only when current is passing through the wire.

Question

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
%3D
R2 = 39 Q, R3 = 62 Q and R4 = 126 Q. The
inductance isL = 362 mH and the battery
voltage is V = 12 V. The positive terminal of
the battery is indicated with a + sign.
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
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 IL(00), the magnitude of the current through the inductor after
the switch has been closed for a very long time?
0.0389
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?
3.277
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

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