a circular loop of wire radius r is perpendicular to a magnetic field whose magnitude as a function of time t is given by the equations B=bt^2 + ct, where b and c are positive, nonzero constants. What is the magnitude of the emf induced in the loop as a function of time t?
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a circular loop of wire radius r is perpendicular to a magnetic field whose magnitude as...
A magnetic field of magnitude 1.42 T is perpendicular to the plane of a circular wire loop. As the magnetic field decreases to zero in a time of 0.0314 s, the average induced emf is 0.284 V. What is the radius of the loop?
os A circular loop of wire of radius 1.55cm is in a uniform magnetic field, with the plane of the loop perpendicular to the direction of the field. The magnetic field varies with time according to B(t) = 0.064 + 1.2t, where t is in seconds, and B is in T. Calculate the magnetic flux through the loop at t0 s. B Submit Answer Tries 0/10 Calculate the magnitude of the emf induced in the loop. Submit Answer Tries 0/10...
A 0.51 T magnetic field is perpendicular to a circular loop of wire with 53 turns and a radius of 17 cm .If the magnetic field is reduced to zero in 0.10 s , what is the magnitude of the induced emf? Give answer in V
A circular loop of wire of radius 11.5 cm is placed in a magnetic field directed perpendicular to the plane of the loop as shown in the figure below. If the field decreases at the rate of 0.043 0 T/s in some time interval, find the magnitude of the emf induced in the loop during this interval.
3-4: A loop of wire with radius of r = 4 meters is placed in a region with uniform magnetic field point in the direction out of the page as shown in the diagram. The magnitude of the B field is changing as a function verse time: B(t) = a t3+ b t2 +c where a, b and c are constants a = 0.02 T/s3, b 0.05 T/s2 and c 0.17 T. (a) At time t 2 s, what is...
A circular wire loop of radius 1.1 cm is placed in a magnetic field of magnitude 2.2 T. If the magnetic field goes to zero in a time of 5 s, what is the magnitude of the current induced in the loop? The wire has a diameter of 2 mm, and the resistivity of copper is 1.7 x 10-8 Ohm-m. ______________A
A circular loop of wire with radius R is in a uniform magnetic field with magnitude B that points in the positive z-direction. The loop is initially in the xy-plane and carries a constant, unknown current. Flipping the loop over requires you to do positive work (W). Determine the current in the loop.
A plane loop of wire of area 14cm2 with two turns is perpendicular to a magnetic field whose magnitude decays in time according to B= (0.5 T)e-t/7. What is the induced EMF as a function of time?
A circular loop (r = 0.10m) is placed in a uniform magnetic field of magnitude B = 2.0T, where the face of the loop is perpendicular to the direction of the magnetic field a) What is the flux through the loop. b) the loop is rotated 90 degree in 30. What is the final flux? c) What is the induced emf during rotation?
Imagine that we have a coil consisting of N turns of wire shaped like a circular loop with radius R. We place this coil in a uniform external magnetic field that points perpendicular to the face of the coil. Imagine that the magnitude of this external field is given by the formula B(t) = B_o cos(omega t - phi) where B_o, omega and phi are all constants. Find an expression for the induced emf in the loop as a function...