(a) What is the emf across the inductor immediately after the switch is opened? V (b) When does the current in the resistor RB have a magnitude of 1.00 mA? s
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After being closed for a long time, the switch S in the circuit shown in the figure below is thrown open at
In the circuit,
and
V
(b) When does the current in the resistor RB have a magnitude of 1.00 mA?
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- The diagram shows an ideal (zero internal resistance) DC source connected to three identical resitances and a switch. In the diagram, the switch is open. If initially, the switch is open, what happens to current I1 and I2 after the switch is closed? I1 increases, decreases, or stays the same and I2 increases, decreases, or stays the same?Three resistors, R, 2R, and 3R, where R = 18.8 , are wired to an inductor, L = 0.255 H, an emf, ε = 44.7 V, and a switch as shown in the circuit diagram. Assume the direction of the three currents, 1₁, 12, and 13, are as indicated in the diagram. 1. Just Closed (1 of 2) (a) What is the current through the inductor immediately after the switch is closed? L = 1.08 4₁ = (b) Write symbolic expressions for the current through resistors R and 2R immediately after the switch is closed, in terms of R, &, and L, as needed, plus constants, then calculate each numeric value. 1₂ = 58 11R 3ɛ 11R X X = 1.08 = 0.648 E AX AX S 2R 3R I3 ellAt t = 0, a 12 V battery is connected to a series circuit containing a 10 Ω resistor and a 2.0 H inductor.a) What will be the current in the circuit, a long time after the circuit is established?b) How long will it take the current to reach 50 percent of its final value?
- 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, & = 24.0 V, RA= 3.50 kn, R₂ = 7.10 k0, and L = 532 mH. RA S El RB (a) What is the emf across the inductor immediately after the switch is opened? (b) When does the current in the resistor R₂ have a magnitude of 1.00 mA?In the figure below, a 13.0 V ideal battery, a 23.3 2 resistor, and an inductor are connected by a switch at time t = 0. At what rate is the battery transferring energy to the inductor's field at t = 2.10TL? Number i eTextbook and Media Hint Save for Later BOOO 2,155 Units AUG 13 8 S 5 L لسما tv ♫ MacBook Air Attempts: 0 of 4 used Submit Answer NIZA DII F8 F9 9 7 J F10A 26-mH inductor, an 8.5- resistor, and a 5.8-V battery are connected in series as in the figure below. The switch is closed at t = 0. E + S R (a) Find the voltage drop across the resistor at t = 0. V (b) Find the voltage drop across the resistor after one time constant has passed. V (c) Find the voltage drop across the inductor at t = 0. V (d) Find the voltage drop across the inductor after one time constant has elapsed. V
- Problem 6: Consider a 27 mH inductor that has a resistance of 4.25 Ω. Part (a) What is the time constant, τ, of the inductor, in seconds? Part (b) If the inductor is connected to a 12.0 V battery, what is the current, I, in amperes, after 10.5 ms?In the circuit shown in the figure the coil has an inductance L = 0.33 H and a resistance of 21 Ω . The resistor R has a resistance of 47 Ω . The battery has a voltage V = 4.0 V. The switch S has been open for a long time. What will be the current though the inductor 0.0097 s (2 time constants) after the switch S is closed?A resistor and an inductor are connected in series to a battery with emf 240 V and negligible internal resistance. The circuit is completed at time t = 0. At a later time t = T the current is 5.00 A and is increasing at a rate of 20.0 A>s. After a long time the current in the circuit is 15.0 A. What is the value of T, the time when the current is 5.00 A?
- The figure below shows a circuit with a battery of EMF = 3.75 V, a resistor with R = 2.16 2, and an inductor with L = 2.45 H. If the battery is connected at t = 0, at what time will the rate of energy stored in the inductor be equal to x = 1.89 times the power dissipated in the resistor? i S 99 4+ R L2 2 Hint You can use the conservation of energy to determine the fraction of the power dissipated in the resistor: total energy lost by a battery per unit of time (power) is &I is spent on the rate of energy stored by the inductor and the power dissipated in the resistor I² R. As EMF, resistance, and inductance are given to you, you know the time dependence of the current to calculate the fraction x at any given time.A 7.2-mH inductor is connected to a current. What is the magnitude of the voltage in the inductor at time t = 3.0 s if the current is I(t) = 5 + 7t -2t2? (Assume two significant digits for each number.)A 12-V battery is connected in series with a resistor and an inductor, with R = 10 Q and L = 20.0 H, respectively. The energy stored in the inductor two-time constant after the switch is closed is. O 10.8 J O 9.36 J O 1.04 J O 12.5 J