A rectangular loop of area A = 0.290 m2 is placed in a region where the magnetic field is perpendicular to the plane of the loop. The magnitude of the field is allowed to vary in time according to B = 0.200e-t/2.00 where B is in teslas and t is in seconds. The field has the constant value 0.200 T for t < 0. What is the value for E at t = 5.000 s? mv
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- A rectangular loop of area A = 0.150 m2 is placed in a region where the magnetic field is perpendicular to the plane of the loop. The magnitude of the field is allowed to vary in time according to B = 0.550e−t/2.00, where B is in teslas and t is in seconds. The field has the constant value 0.550 T for t < 0. What is the value for e m f at t = 8.000 s?Problem 4. A magnetic field directed into the page changes with time according to B = 2.0t³ - 4.0ť² + 3.0, where B is in tesla and t is in seconds. The field has a circular cross section of radius R = 2.5 cm (see figure below). (a) When t= 1.00 s and r₁= 5.0 cm, what are the magnitude and the direction of the electric field at point P₁? (b)When t = 2.00 s and r2 = 2.0 cm, what are the magnitude and the direction of the electric field at point P₂? xxxxx xxxxx xxxx** ** xxx T97 xxx R x xxxxx ****** xxxxx Bin n P₁A ring of radius r = 0.24 m is made of copper wire (cross-sectional area of the wire A = 0.65 x 10-6m²). The ring is placed in a uniform magnetic field whose direction is perpendicular to the page, into the page. The magnetic field increases in time according to the equation: B = 3.0t, where B is in teslas and time is in seconds. Determine the magnitude and direction of the induced current in the copper ring at room temperature (20°C) and at -200°C. Resistivity for copper is p = 1.69 x 10-® Nm and the temperature coefficient of resistivity for copper is a = 3.86 x 10-3 хх x x X X x X хх
- A surface of area 50 cm ^2 is placed perpendicular to a magnetic field of strength 0.85T. The magnetic flux passing through the circuit will be * 5 x10 ^-3weber 4.25x 10^-3 weber 2.25x 10^ +3 weber 6.25x 10^+3 weberA magnetic field of strength 0.25 T is directed perpendicular to a plane circular loop of wire of radius 23 cm. Find the magnetic flux through the area enclosed by this loop. T·m2A rectangular loop of area A = 0.150 m2 is placed in a region where the magnetic field is perpendicular to the plane of the loop. The magnitude of the field is allowed to vary in time according to B = 0.550e−t/2.00, where B is in teslas and t is in seconds. The field has the constant value 0.550 T for t < 0. What is the value for at t = 8.000 s?