A light bulb is connected via 2 copper wires of length L = 10 m and diameter d = 0.7 mm with aDC voltage source and a switch. The resulting current is I = 1 A and the density of charge carriersis n=5 ⋅ 10^28 m−3. At time t = 0, the switch is flipped, closing the before open circuit. After whattime t1 does the lightbulb begin to shine?

Q: Write a matrix equation that determines the loop currents. 24 V 192 452 $252 Ω 18 V 592 m 3 Ω 14 V…

A:

Q: The switch in the given figure has been in position A for a long time. Assume the switch moves…

A: When the switch is in position A , the capacitor charges. After charging for a long time, the…

Q: Chapter 30, Problem 054 In the figure, ε = 118 V, R₁ = 14.9 №, R₂ = 21.3 N, R3 = 35.8 №, and L= 1.90…

A:

Q: A copper conductor has a diameter of 12 inch and it is 148 feet long. Assume that it carriers a…

A: Diameter of conductor, d=12 inch =12 x(0.0254 meters) =0.3048 m Length of conductor =148 feet…

Q: For a long period of time the switch S in position "b". At t = 0 s, the switch S moved from position…

A:

Q: An electric current in a conductor varies with time according to the expression I(t) = 84 sin…

A:

Q: Assume that global lightning on the Earth constitutes a constant current of 1.00 kA between the…

A: Note:- The power due to electric current is given P= VI.            where, P is the power…

Q: In the circuit of the figure & - 1.33 kV, C - 7.30 µF, R1 = R2 - R3 = 0.830 MQ. With C completely…

A:

Q: (a) In the figure what value must R have if the current in the circuit is to be 1.3 mA? Take ɛ1 =…

A:

Q: 9. An electric power station that operates at 35 kV and uses a 10:1 step-up ideal transformer is…

A: We know that, the Transformer ratiowill be the transmitted voltage now the current transmitted is…

Q: Consider his circuit, which has C = 0.50 F and L = 0.20 H. With the switch open, the capacitor is…

A: We are given capacitance and inductance. We find the charge on capacitor.  The charge on capacitor…

Q: In the circuit of the figure 8 = 1.20 kV, C = 8.00 µF, R1 = R2 = R3 = 0.930 MQ. With C completely…

A:

Q: The capacitor in the circuit shown below is initially uncharged. The switch is closed at t = 0 s.…

A:

Q: In the figure R₁ = 9.69 kQ2, R₂ = 15.9 kQ, C = 0.379 μF, and the ideal battery has emf ε =20.0 V.…

A: Given Data:The resistance of resistor 1 is The resistance of resistor 2 is The capacitance of the…

Q: A 2.20 mF capacitor initially has charge 4.20 mC. You connect it in series with a 4.00 MΩ resistor…

A: Given C=2.20mF=2.20x10-3F qo=4.20mC=4 20x10-3C R=4.00MΩ=4.00x106Ω At t=0 switch is closed.

Q: In the circuit of the figure 8 = 4.10 kV, C = 6.80 μF, R₁ = R₂ = R3 = 0.810 MQ. With C completely…

A:

Q: A very tall cylindrical transformer in a power station has a radius of 0.48 m and carries a uniform…

A:

Q: For the circuit in the figure, at t = 0 the switch S is closed with the capacitor uncharged. If C =…

A:

Q: Each of the eight conductors in the figure carries 3.41 A of current into or out of the page. Two…

A: The problem is related to Ampere’s Law in magnetism, which states that the magnetic field B around a…

Q: Chapter 27, Problem 065 GO In the figure R₁ = 10.9 kN, R₂ 15.0 kN, C = 0.430 µF, and the ideal…

A:

Q: Find the current in the switch at the same time. The current through the conductor at this time is…

A:

Q: 3. In the circuit of the figure, ɛ1 =1.5 kV, C = 6.0 µF, R1 = R2 = R3 = 0.82 MQ. With C completely…

A: In RC circuit, at t=0 the capacitor will act as a short circuit. Equivalent resistance = R1 + 0.82/2…

Q: In the circuit of the figure & = 3.90 kV, C = 7.50 µF, R1 = R2 = R3 = 0.830 M2. With C completely…

A: At t=0 , when the capacitor is uncharged, the potential across it is 0 and it acts as a short, as…

Q: A dead battery is charged by connecting it to the hive tery of another car with jumper cables (Fig.…

A: Voltage of the live battery is V = 12 V Resistance of the first resistor is R1 = 0.01 ohms…

Q: In the circuit of the figure 8 = 3.20 kV, C = 7.80 µF, R1 = R2 = R3 = 1.03 MQ. With C completely…

A: E= 3.2kV  C= 7.8 uF  R1= R2= R3= 1.03M ohm

Q: The oscillating current in an electrical circuit is as follows, where I is measured in amperes and t…

A: Given data, Current I=4sin60πt+cos120πt