A thin coil is located at the origin; its radius is 2 cm and itsaxis lies on the x axis. It has 35 low-resistance turns and isconnected to a 75 resistor. A second thin coil is located at<17, 0, 0> cm and is traveling toward the origin with a speedof 8 m/s; it has 55 low-resistance turns, its axis lies on the xaxis, its radius is 5 cm, and it has a current of 13 A, poweredby a battery. What is the magnitude of the current in thefirst coil?i!A

Answered: Image /qna-images/answer/b3500a21-955b-41c3-9841-68e47953ab0e.jpg

Answered: A thin coil is located at the origin;…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter29: Direct Current (dc) Circuits

Section: Chapter Questions

Problem 78PQ: In the RC circuit shown in Figure P29.78, an ideal battery with emf and internal resistance r is...

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In Figure 33.9A (page 1052), the switch is closed at a at t = 0. Find an expression for the power dissipated by the resistor as a function of time, and sketch your result. Is the power lost greater as soon as the switch is closed or a long time after it has been closed? Does your answer make sense?
In Figure OQ32.4, the switch is left in position a for a long lime interval and is then quickly thrown to position b. Rank the magnitudes of the voltages across the Four circuit elements a short time thereafter from the largest to the smallest.
In an oscillating RLC circuit, R = 7.0 L. = 10 mH. And C = 3.0 F. Initially, the capacitor has a charge of 8.0 C and the current is zero. Calculate the charge on the capacitor (a) five cycles later and (b) 50 cycles later.
In the RC circuit shown in Figure P29.78, an ideal battery with emf and internal resistance r is connected to capacitor C. The switch S is initially open and the capacitor is uncharged. At t = 0, the switch is closed. a. Determine the charge q on the capacitor at time t. b. Find the current in the branch be at time t. What is the current as t goes to infinity?
A bank of batteries, total emf ε = 4.5 V, is connected with resistor R = 120 kΩ, capacitor C = 680 pF, and two-pole switch S as shown. The switch is initially set to point b so that the resistor and capacitor are in series. The switch is left in this position for a sufficiently long time so that the capacitor is completely discharged. Calculate the voltage drop across the capacitor (in volts) at time t = 210 μs after the switch is connected to point a.
In the circuit below, the switch has been in the open position for a long time. At t=0, the switch is turned on. If the current at time t=3.3 ms reaches half of its maximum value, L=68 mH, and ℰ=17 V, find:the time constant τ= ms,the resistance R= Ω,the maximum value of the current, Imax= A.If the switch is open again, after what time, the current will reach the half of its value?t1/2= ms.
When a portable fan is first turned on it draws 4.25 AA. After it has come up to speed it draws 0.50 AA. Assuming the fan runs off a 120 VV outlet, calculate the back emf while the motor is running.
In an RLC circuit, L=0.1 H, R=0.6; C=0.4F; and E(t)=60 V. Find the charge at time t. Assume the initial charge on the capaciter is 0C and the initial current is 7.5.
When the switch S is toggled to the left, the capacitor C charges through the resistor R. When the switch is toggled to the right, the capacitor discharges current through the patient's torso, modeled as the resistor Rtorso, allowing the heart's normal rhythm to be reestablished. (a) If the capacitor is initially uncharged with C = 7.00 µF and = 1270 V, find the value of R (in ohms) required to charge the capacitor to a voltage of 795 V in 1.70 s. Ω (b) If the capacitor is then discharged across the patient's torso with Rtorso = 1270 Ω, calculate the voltage (in V) across the capacitor after 4.50 ms.
A moving coil ammeter gives a full scale deflection for a current i = 60 mA and its coil has a resistance RC = 0.5 Ω. It is provided with a multiplier resistance Rm = 2.5 Ω added in series. What is the full scale deflection in volts of this modified ammeter? Select one: a. 30 mV b. 24 mV c. 150 mV d. 180 mV
Find the steady-state current in the RLC-circuit in Fig. 61 for the given data. Show the details of your work. R= 40,L=05H,C =0.1F,E =S500sin2rV c Bit) = Ky aim oot Fig. 61. RLC-circulit
Consider the circuit shown in Figure P20.43. Takeε = 6.00 V, L = 8.00 mH, and R = 4.00 Ω. (a) What is theinductive time constant of the circuit? (b) Calculate the currentin the circuit 250. µs after the switch is closed. (c) What isthe value of the final steady-state current? (d) How long doesit take the current to reach 80.0% of its maximum value?

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