In the figure (Figure 1) a conducting rod of length L = 40.0 cm moves in a magnetic field B of magnitude 0.410 T directed into the plane of the figure. The rod moves with speed v = 5.60 m/s in the direction shown. Part F What is the potential difference across the rod if it moves parallel to ab? Express your answer in volts. Figure < 1 of 1 Πνα ΑΣφ ?
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- The figure on the right shows two parallel loops of wire having a common ât axis. The smaller loop (radius r) is above the larger loop (radius R), by a distance x > R. Assume the magnetic field due to the current i in the larger loop is basically constant over the area of the smaller loop and equal to the value on the axis. 10. Suppose the smaller loop moves away from the larger loop at constant speed: x(t) = xo + Væt, with v, > 0, xo > 0. a) assuming its resistance is 12. Ignore any retardation effect. Find the magnitude and direction of the induced current in the smaller loop b) Is there a time t where the induced current is 0? Explain carefully your answer, using thAux of B.A closed current path is made from two different circular arcs as shown in the figure below. The larger arc has radius 3.0 cm and covers one quarter of the circle, and the smaller arc has radius 1.0 cm and covers the remaining three quarters of the circle. If the current is 1.5 A going counterclockwise, what is the magnitude of the B-field at the center of the circular arcs? Express your answer to the nearest µT.Can you please answer g & h?
- A rectangular loop of wire with dimensions 1.20 cm by 9.00 cm and resistance 0.700 N is being pulled to the right out of a region of uniform magnetic field. The magnetic field has magnitude 2.60 Tand is directed into the plane of (Figure 1) Part A At the instant when the speed of the loop is 3.00 m/s and it is still partially in the field region, what is the magnitude of the force that the magnetic field exerts on the loop? Express your answer with the appropriate units. HẢ ? FB = Value Units Submit Request Answer Part B Figure Provide Feedback R(Figure 1) shows a circuit with an area of 0.070 m² containing a R = 1.0 N resistor and a C = 230 µF uncharged capacitor. Pointing into the plane of the circuit is a uniform magnetic field of magnitude 0.11 T. In 1.0 × 10-2 s the magnetic field strengthens at a constant rate to become 0.80 T pointing into the plane. Part A What maximum charge (sign and magnitude) accumulates on the upper plate of the capacitor in the diagram? Express your answer to two significant figures and include appropriate units. µA ? Value Units Submit Request Answer Provide Feedback Figure 1 of 1 RPart D A particle with charge – 5.10 nC is moving in a uniform magnetic field B= -(1.26 T )k. The magnetic force on the particle is measured to be Calculate the scalar product v· F. Assume the velocity has only components found in the previous parts. F = -( 3.10x10-7 N )ê+(7.60x10-7 N )3. Express your answer in meters per second times newtons. Nνα ΑΣφ ? m/s N Submit Request Answer Part E What is the angle between v and F? Give your answer in degrees. Express your answer in degrees. ? = Submit Request Answer Provide Feedback
- In Figure 3 a circular loop of wire of radius R is initially located in the plane of the page while a uniform Magnetic field of magnitude 5 T is coming out the page in the 2 = (0,0,1) direction (represented by the "x"'s). At time t = 0 the loop begins to rotate in uniform circular motion such that the top begins moving out of the page and the bottom moves into the page with a frequency of 5 seconds (i.e. the loop has the same orientation as that at t=0). For arbitrary time t > 0 I. II. III. IV. y Determine the unit normal of the area of the loop, ñ, as a function of time. Determine the vector describing the area of the loop, A. Determine the magnetic flux moving through the loop as a function of time. If current is allowed to move through the loop, determine the induced EMF in the conducting loop and the associated induced Electric field (make sure to explain the direction of the Electric field.) X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X…How to solve this questionThe magnetic field B at all points within the colored circle of the figure (Figure 1)has an initial magnitude of 0.700 T. (The circle could represent approximately the space inside a long, thin solenoid.) The magnetic field is directed into the plane of the diagram and is decreasing at the rate of 0.0300 T/s. Figure X X X X X B X /b X 1 of 1 10.0 cm Part C What is the current in the ring if its resistance is 4.00 $? ΑΣΦ I = Submit Part D X Incorrect; Try Again; 5 attempts remaining What is the emf between points a and b on the ring? ε = Previous Answers Request Answer Submit Part E ΠΙΑΣΦ Request Answer ? IVE ΑΣΦ ? A If the ring is cut at some point and the ends are separated slightly, what will be the emf between the ends? ? V