1 In figure, the switch is in the position 1 for a long time, then switch is shifted to position 2 at 1 = 0. At this instant the value of and i, are : E R E -E R' R O E -E 2R 2R

Q: a) The colors of the left resistor (R,) shown in the figure 1. Color: Brown 2. Color: Violet…

A: Color code of resistance 1:  Color 1: Brown Color 2: Violet  Color 3: Red  Color code of resistance…

Q: P1 The switch K in the circuit shown in the figure is open, and there is no current in the coil. At…

A: The RL circuit is given:

Q: An ac source of emf delivers 5.0 mW of power at an rms current of 2.0 mA when it is connected to the…

A: Given Data The power deliver by the ac source is:P=5mW=5×10-3 W The current in primary winding…

Q: A student builds a step-down transformer with windings (in no particular order) of 40 and 120. If…

A: The given data are: Here, Np denotes the primary turns, Ns denotes the secondary turns, and Ip…

Q: In the figure below, a 30.0 cm x 60.0 cm rectangular circuit containing a 18.102 resistor is…

A: Area of rectangular circuit, A= 0.3×0.6Rate of change in magnetic field.…

Q: В current D

A: Concept used: Field lines inside the solenoid move from South pole to North pole to form closed…

Q: R2 Consider the circuit shown in the figure. Suppose that the switch has been open for a very long…

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Q: ix Evaluate the commutator [, px], and [e“, py].

A: p^x is the momentum operator defined as p^x =-ihδδx In the coordinate basis, the position operator…

Q: This technology uses an electric generator to convert mechanical energy that comes from wind/…

A: Solution:We know that in an AC generator :Mechanical energy →Converts Electrical energyby…

Q: We can change the direction of rotation of a DC motor by changing the polarity of the electric…

A: The direction of electromagnetic torque developed by armature of the DC motor depends upon the…

Q: The current in an 80-mH inductor increases from 0 to 60 mA. How much energy is stored in the…

A: Given data:  Inductance (L) = 80 mH Current (I) = 60 mA Required: The energy stored in the inductor…

Q: Q2) Calculate the RT for the following circuits and draw the equivalent circuits: V1 5V A 4 R1 4.1kΩ…

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Q: Four wires meet at a junction. The first carries 4A into the junction, the second carries 5A out of…

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Q: A 0.250-mH coil is carrying a current of 6.0 A. What is the stored energy in the coil. a. 4.5 x 10 J…

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Q: what will be the value of I, just after the switch is closed 42 S 12V I 7nF

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Q: At t=0, the switch is closed on a, at t=L/R, it is switched to b, R, R = R2 = R. a) Find the…

A: (a) For t=0 when switch is closed on a. R1=R2=R

Q: Just after the switch has been closed, why does I=0?

A: Just after the switch has closed, voltage induced across the inductor. And from Lenz's law , voltage…

Q: Which of the following would cause the light bulb to glow? O A. Placing the magnet beside the light…

A: A group of students is given a loop of wire connected to a light bulb and a bar magnet. They are…

Q: When you push the South end of a magnet into a solenoid, it creates a negative voltage. If you push…

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Q: A cylindrical solenoid that is 40-cm long generates a uniform magnetic field of strength 1.4 T…

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Q: Q2) Line x = 0, y 0,0<z< 10m carries current 2 A along az. Calculate H at points: (a) (5, 0, 0) (b)…

A: Given information: Here, I is the given current.

Q: I3 a ↑ R1 220 R2 330 R3 390 I2 I3 vi 12V A В Calculations: Νode Equation: Σ Ι in = Σ Ι ot 11 + 12 =…

A: We have a circuit with 3 resistances R1=220 ohms, R2=330 ohms and R3=390 ohms and a battery V1=12 V…

Q: Find the current 12: 2.00 A %3D R, = 10.00 2 R, = 10.00 2 %3D %3D V = ? R = 10.00 N . R4= 10.00 2 I2…

A: According to Ohm's law the current(I) flowing through a circuit is proportional to voltage(V) and…

Q: 6. Magnetic tape under a tension of 10 N at D passes around the guide pulleys and through the…

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Q: A cylindrical solenoid that is 40-cm long generates a uniform magnetic field of strength 1.4 T…

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Q: what will be the current in the secondary winding of a transformer if the turns ratio is 8:4 and the…

A: Given data: Turns ratio, NpNs=84=2 Current in the primary winding, Ip=1 A

Q: In the circuit shown, the switch is closed at t=0. Taking &=12 V, R=6.0 Q, and R=4.0 0, the current…

A: We know at t=0 , inductor shows infinite resistance and behave as open circuit.

Q: What will happen to the wire between the magnet poles when the switch S is close? V B switch Q…

A: Electric currents produce their magnetic fields. The Right-Hand Rule states that if you make a…

Q: what is the induced electromotive force  in a 0.50 m rod moving with a velocity of 1 m/s…

A: Let the rod’s length is denoted by l, moving with the velocity v and the magnetic field is denoted…

Q: 20 N K\ 30 2 24 V.

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Q: R1 R2 15 V lov R4 R3 The loop on the left has current I, and the loop on the right has current Iz.…

A: