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Publisher: Cengage Learning
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Transcribed Image Text:2) 21.51: How many time constants does it take for
the potential difference across the resistor in an LR
circuit like that in the figure to drop to 2.5% of its
original value, after the switch is moved to the upper
position, removing VO from the circuit?
A
www
R
Switch
B
m
L
Vo
I need all work shown please!
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- 3. After a very long time, across which circuit element is the voltage equal to the emf of the battery? (a) the resistor (b) the inductor (c) both the inductor and resistorarrow_forward2) A series RLC cireuit consists of a 150-2 resistor, a 21-µF capacitor and a 460-mH inductor, connected in series with a 120- V, 60-Hz power supply. a) What is the phase angle between the current and the applied voltage? b) Which reaches its maximum earlier, the current or the voltage? eearrow_forward6.In an RLC circuit the inductor has a value 400 mH, the capacitor 4.43 µF and the resistor has a value of 250 Q. They are connected to a generator functioning at 50 Hz. The peak current is 250 mA a) Find Vmax b) Find the angle by which the current leads of lags the voltage (a) 161V b) 67 degrees lagging the voltage.arrow_forward
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