After being closed for a long time, the switch S in the circuit shown in the figure below is thrown open at t = 0. In the circuit, ℰ = 24.0 V, RA = 3.50 kΩ,RB = 7.10 kΩ, and L = 627 mH.(a) What is the emf across the inductor immediately after the switch is opened?(b) When does the current in the resistor RB have a magnitude of 1.00 mA?
After being closed for a long time, the switch S in the circuit shown i…
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5 switch a in the circuit has been open for a long time and switch b has been closed for a long time switch a is closed at t 0 after remaining closed for 1s switches a and b are opened simul 75257
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4. The switch in the circuit shown has been closed a long time before opening at t = 0. For t ≥ 0^+, find a) vo(t), b) io(t), c) i1(t), d) i2(t), e) i1(0^+).
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SOLVED:In the circuit in Fig. P 7.77, switch 1 has been in position a and switch 2 has been closed for a long time. A t t=0, switch 1 moves instantaneously to position b. Four hundred microseconds later, switch 2 opens, remains open for 1 ms, and then re-closes. Find v0 1.6 ms after switch 1 makes contact with terminal b.
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