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?
A magnetic field of magnitude 1.42 T is perpendicular to the plane of a circular wire loop. As th...
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 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?
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.
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 magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.61 V and a current of 3.2 A are induced in the coil. The wire is the re-formed into a single-turn square coil, which is used in the same magnetic field (again perpendicular to the plane of the coil and with a magnitude changing at the same rate). What emf and current are induced in...
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.26 V and a current of 4.9 A are induced in the coil. The wire is then re-formed into a single-turn square coil, which is used in the same magnetic field (again perpendicular to the plane of the coil and with a magnitude changing at the same rate). What (a) emf and (b) current are...
A uniform magnetic field is at right angles to the plane of a wire loop. The field decreases by 0.16 Tin 3.0×10−3 s and the magnitude of the average emf induced in the loop is 79 V . A) What is the area of the loop? (in m^2) B) What would be the value of the average induced emf if the field change was the same but took twice as long to decrease? (in Volts)
A circular conducting loop with radius 2.70 cm is placed in a uniform magnetic field of 0.850 T with the plane of the coil perpendicular to the magnetic field as shown. ! The magnetic field decreases to 0.300 T in a time interval of 25.0 ms. What is the average induced emf in the loop during this interval?
A magnetic B field of strength 4 T is perpendicular to a conducting loop of wire measuring 0.4 square meters with 50 turns. If the B field is linearly reduced to zero in 2 s, then what is the magnitude of the induced emf voltage? (in units of V)
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