Question

7) The figure shows an ideal battery, a resistor, and an inductor. The switches are closed at time $t = 0$. What is the current (mA) through the circuit at time $t = 20.0$ ms? $L = 3.00$ H, $R = 400$ ?, $V = 12.0$ V. a) 73.6 b) 29.2 c) 57.9 d) 8.09 e) 0.677 f) 17.1 g) 33.3 h) 27.9 i) 30.0 j) None of the above

          7) The figure shows an ideal battery, a resistor, and an inductor. The
switches are closed at time $t = 0$. What is the current (mA) through
the circuit at time $t = 20.0$ ms? $L = 3.00$ H, $R = 400$ ?, $V = 12.0$ V.
a) 73.6
b) 29.2
c) 57.9
d) 8.09
e) 0.677
f) 17.1
g) 33.3
h) 27.9
i) 30.0
j) None of the above

7) The figure shows an ideal battery, a resistor, and an inductor. The
switches are closed at time t = 0. What is the current (mA) through
the circuit at time t = 20.0 ms? L = 3.00 H, R = 400 ?, V = 12.0 V.
a) 73.6
b) 29.2
c) 57.9
d) 8.09
e) 0.677
f) 17.1
g) 33.3
h) 27.9
i) 30.0
j) None of the above

Added by Lori G.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Aishwarya Krishnakumar

05/17/2023

Step 1

0ms can be found using the formula for the current in an RL circuit: I(t) = (V/R)(1 - e^(-Rt/L)) Show more…

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Thanks for your feedback!

The figure shows an ideal battery, a resistor, and an inductor. The switches are closed at time t=0. What is the current (mA) through the circuit at time t=20.0ms? L=3.00H, R=400Ω, V=12.0V. a) 73.6 b) 29.2 f) 17.1 c) 57.9 g) 33.3 d) 8.09 h) 27.9 e) 0.677 i) 30.0 j) None of the above