For the RL circuit as shown in the following: R = 150 Ohms, L= 0.38 mH and E = 12.00 V a Awww Leeeee- R 23. find the time constant. a. 2.53 ms b. 2.53 µs c. 2.53 sec d. none of these · 24. When the switch is thrown to point a, what is the current at t 5.0 µs ? a. 28.7 mA b. 34.7 mA c. 68.9 mA d. 11.0 mA

Inquiry into Physics
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Chapter7: Electricity
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Problem 27P: . The generator at a large power plant has an output of 1,000,000 kW at 24,000 V. (a) If it were a...
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LTE
34%
9:32 PM
For the RL circuit as shown in the following: R = 150 Ohms, L= 0.38 mH and E = 12.00 V
%3D
a
eeeee
R
23. find the time constant.
a. 2.53 ms
b. 2.53 µs
c. 2.53 sec
d. none of these
24. When the switch is thrown to point a, what is the current at t = 5.0 µs ?
a. 28.7 mA
b. 34.7 mA
c. 68.9 mA
d. 11.0 mA
Transcribed Image Text:LTE 34% 9:32 PM For the RL circuit as shown in the following: R = 150 Ohms, L= 0.38 mH and E = 12.00 V %3D a eeeee R 23. find the time constant. a. 2.53 ms b. 2.53 µs c. 2.53 sec d. none of these 24. When the switch is thrown to point a, what is the current at t = 5.0 µs ? a. 28.7 mA b. 34.7 mA c. 68.9 mA d. 11.0 mA
Expert Solution
Step 1

23. Time constant

τ=LR=0.38×10-3H150 Ω   =2.53 μs

Therefore, the correct option is b) 2.53 μs

 

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