Shown in the following figure is a long, straight wire and a single-turn rectangular loop, both of which lie in the plane of the page. The wire is parallel to the long sides of the loop and is 0.50 m away from the closer side. At an instant when the emf induced in the loop is 8.3 V, what is the time rate of change of the current in the wire (in A/s)? (Enter the magnitude.) T0.50 m 0.50 mI 3.0 m
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- Problem 28.15 ▼ A long pair of insulated wires serves to conduct 27.5 A of dc current to and from an instrument. A third wire is placed in the plane of the two wires shown in the figure parallel and just to the right. Part A Fear Incar If it carries 24.2 A upward, what force per meter of length does it exert on each of the other two wires? Assume it is 2.8 mm from the nearest wire, center to center. Express your answer to two significant figures and include the appropriate units. Submit ▾ Part B Flor lfar Submit HA Provide Feedback Value Request Answer 1 Express your answer to two significant figures and include the appropriate units. HA Value Request Answer www Units ? Units SOME ? Constants | Periodic Table 4 of 5 2.8 mm Next >. The following picture shows a LONG conductor carrying current 1. Nearby there is a conducting rectangular loop with sides a = 8 cm and b = 4 cm. The loop also carries a resistance R = 10 ohms. The curent is constant and has a value of I = 6.0 Amperes. The loop is moving away to the right with a constant velocity, V = 2 m/s. Answer the following questions at the instant of time t" when the left edge of the loop is at position "x" as shown below Use the coordinate system , x to the right, y into the board, z upward a) Write an expression for the magnetic field as a function of the distance "x" (from the LONG conductor to the loop. ) USE “+" for CCW circulation and “.“ for CW circulation. b) Write the magnetic field in "i-j-k" format at point "x" to the right of the current carrying wire in the "i-zZ" plane R a c) Write the infinitesimal area vector for the loop in "i-j-k" format d) Write the explicit integral for the magnetic flux through the area of the loop using the answer for B and…A 140 V emf is across a transformer's 190-turn primary coil. How many turns should the secondary have in order to produce a 40 V emf, expressed as an integer. Can you set up Es/Ep = Ns/Np. I know I am to solve for Ns. I need to see what is given tied to the symbols, then I see what to what better.
- At time t = 0, the switch is closed in the circuit shown. What is the current through resistor R3 immediately after the switch is closed? Vo R1 R3 R2 (R,+R;) O V(R,+R,+R;) R, (R,+R3)Suppose the rod is quickly moved to the right at a constant speed of 31.9 m/s. During this time, a current of ________ is induced in the _______directionYour physics professor is doing a demo to demonstrate Faraday’s law. He usesa 5m long wire of 10 Ohms total resistance, and he shapes it as a perfect square.Your professor places the loop in a plane perpendicular to a 2 Tesla uniformmagnetic field pointing from above into the plane of the loop. Then yourprofessor re-shaped the wire in five seconds from a square into a perfect circle.The new loop remains in the same plane.a. What is the magnitude of the average induced emf in the wire during thistime?b. Find the direction, and average magnitude of the current in the loopduring the deformation? Explain your reasoning.
- As shown below, a wire loop with a radius of 0.84 m is immersed in a B-field (the direction of the field is shown in the diagram). The B-field decreases from 10 T to 6 T and as a result a 8 V voltage & a 8.1 A current are induced. Determine how long the B-field was changing & the loop's resistance. At = the loop's resistance = ΩA 25-turn ideal solenoid has an inductance of (4.19x10^-3) H. To generate an EMF of (1.5x10^0) V what should be the rate of change of the current? Express your result as the magnitude in A/s.QUESTION 7 Refer to the figure in the previous question. What is the emf induced when a 5.48-cm conducting rod attached to a U-shaped conductor moves at 1.56 m/s perpendicular to a magnetic field of strength 14.9 T? Please write the numeric answer in terms of V (volts). Normal format with 3 SF.