P1 The switch K in the circuit shown in the figure is open, and there is no current in the coil. At a giv moment we close the switch. 20 N K 30 24 V. a) Find the current and the voltage of the resistors and the coil right after the close of the switch. After waiting until the current becomes constant in the circuit, we open the switch. b) Find the current and the voltage of the resistors and the coil right after the open of the switch.
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- Find the induced emf in the wire at time t=0? A. Zero V B. 0.5 V C. 5 V D. 0.05 VJust after the switch has been closed, why does I=0?A plug-in transformer, like that in the figure below, supplies 9.00 V to a video game system. How many turns are in its secondary coil, if its input voltage is 120 V and the primary coil has 420 turns? What is its input current when its output is 1.45 A?
- after switch S is closed at timet= 0, the emf of the source is automatically adjusted to maintain a constant current i through S. a) b) Find the current through the inductor as a function of time. At what time is the current through the resistor equal to the current through the inductor? Constant current R source ellI There is a straight, infinite current is directed towards the right and a small loop of wire (with the normal to the plane of the loop perpendicular to the current) located as shown. Which of the following would result in no current being induced in the loop? Select one or more: D a. turn off the current o b. move the loop towards the wire D c. move the loop away from the wire o d. move the loop towards the rightTwo loops carry equal currents I in the same direction. The loops are held in the positions shown in the figure and are then released. Which one of the following statements correctly describes the subsequent behavior of the loops? O The loops remain in the positions shown. O The top loop moves to the right; the bottom loop moves to the right. O The loops attract each other. Both loops move to the left. O The loops repel each other. C
- Consider the circuit depicted in the diagram. a.Write the equation that results from applying the loop rule to loop akledcba. b. If the current I2 going through the center of the loop is 55 A, what is the current I1, in amps?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 iz at t=0 is: S iz R2 R1 L Select one: О ЗА 2 A O 5 A O zero 000 wwA loop of wire is moving near a long, straight wire carrying a constant current I as shown in Figure. (a) Determine the direction of the induced current in the loop as it moves away from the wire. (b) What would be the direction of the induced current in the loop if it were moving toward the wire?
- I'm working on some homework and am stumped with this problem. Help would be great, thanks!4. Fold the unlimited long wire with current I = 10.0A into the shape as shown in the figure. The radius of the semi -ring rings is r = 0.10m.Seeking the magnetic induction strength of the point O point O.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?