A wire loop with an area equal to 0.05 m² moves in a generator where the magnetic field is 0.40 T. At time, t=0, The area is position perpendicular (maximum flux) to the magnetic field and at time t= 0.08 s the area is parallel (zero flux) with the field. The resistance of the loop is 6ohms. What is the average induced current in the loop during this time?

Listen = . An electromagnetic coil with L 200 mH carries a current that varies with time according to /(t) = 2.0 A sin(62 s1. t). What is the equation/expression for the voltage induced on the coil? OV(t) = -12.4 V sin(62 s ¹. t) OV(t) = 0.4 V sin (62 s ¹. t) -1 OV(t)=-620 V sin(62 s ¹. t) OV(t) = 124V · cos(62 s ¹. t) -1 - . -1 OV(t) = -24.8 V · cos(62 s¯¹. t) S

A circular loop in the plane of the paper lies in a 0.60 T magnetic field pointing into the paper. The resistance of the coil is 1.55 Ω. If the loop's diameter changes from 20.5 cm to 9.00 cm in 0.40 s, what is the average induced current in milli-amps?

A circular loop of wire lies in a plane perpendicular to a magnetic field. The magnetic field has a magnitude of 1.3 T and points out of the page as shown in the figure. The radius of the loop is 18 cm and it has a resistance of 3.2 Ω. Find the induced emf in the loop of wire if the magnetic field doubles in magnitude in 1 seconds. What is the induced current in the loop? In which direction is the induced current?

A coil formed by wrapping 55 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 36.0° with the direction of the field. When the magnetic field is increased uniformly from 200 µT to 600 µT in 0.400 s, an emf of magnitude 80.0 mV is induced in the coil. What is the total length of the wire? m

A fixed 11.1-cm-diameter wire coil is perpendicular to a magnetic field 0.73 T pointing up. In 0.14 s , the field is changed to 0.24 T pointing down. What is the average induced emf in the coil?

A rectangular loop of wire is moving toward the bottom of the page with a speed of 0.020 m/s. The bottom part of the loop is outside the region. The field strength inside the region is 2.4 T and the magnetic field outside the region is and the magnetic field outside the region is zero. The width of the loop is 0.080 m and the length is 1.0 meter. What is the current induced in the wire if the resistance of the loop is 0.12 ohm?

An L = 49.0 cm wire is moving to the right at a speed of v = 6.50 m/s across two parallel wire rails that are connected on the left side, as shown in the figure. The whole apparatus is immersed in a uniform magnetic field that has a magnitude of B = 0.770 T and is directed into the screen. What is the magnitude & of the emf induced in the wire? E= The induced emf causes a current to flow in the circuit formed by the moving wire and the rails. In which direction does the current flow around the circuit? counterclockwise clockwise If the moving wire and the rails have a combined total resistance of 1.35 92, what applied force F would be required to keep the wire moving at the given velocity? Assume that there is no friction between the moving wire and the rails. V F = N

A single loop of copper wire, lying flat in a plane, has an area of 7.20 cm2 and a resistance of 1.80 N. A uniform magnetic field points perpendicular to the plane of the loop. The field initially has a magnitude of 0.500 T, and the magnitude increases linearly to 1.50 T in a time of 1.12 s. What is the induced current (in mA) in the loop of wire over this time? 3.57 You may have neglected to convert units. Be sure to convert the area from cm2 to m2. Then, convert the current from A to mA. mA Need Help? Read It

A single loop of aluminum wire, lying flat in a plane, has an area of 7.60 cm² and a resistance of 2.70 2. A uniform magnetic field points perpendicular to the plane of the loop. The field initially has a magnitude of 0.500 T, and the magnitude increases linearly to 1.50 T in a time of 1.10 s. What is the induced current (in mA) in the loop of wire over this time? mA