Suppose you make a loop using your fingers and kept it stationary in a plane perpendicular...
A square wire loop with 2.0 m
sides is perpendicular to a uniform magnetic field, with half the
area of the loop in the field as shown in Figure 30-41. The loop
contains an ideal battery with emf = 16 V. If the magnitude of the
field varies with time according to B = 0.050 - 0.88 t, with B in
teslas and t in seconds, what are
(a) the magnitude and
(b) the direction of the net emf in...
The loop is in a magnetic field 0.40 T whose direction is perpendicular to the plane of the loop. At t = 0, the loop has area A = 0.285 m2.Suppose the radius of the elastic loop increases at a constant rate, dr/dt = 3.75 cm/s . Determine the emf induced in the loop at t = 0 and at t = 1.00 s .
The loop is in a magnetic field 0.26 T whose direction is perpendicular to the plane of the loop. At t = 0, the loop has area A= 0.285 m2 .Suppose the radius of the elastic loop increases at a constant rate, dr/dt =3.75 cm/s. Part A Determine the emf induced in the loop at t=0 and at t=1.00 s. Part B Express your answer using two significant figures.
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?
t
A 20.0-cm-diameter loop of wire is initially oriented so that its plane is perpendicular to a 1.2-T magnetic field. The loop is rotated so that its plane is parallel to the field direction in 0.15 s. What is the average induced emf in the loop? (5pts.) 1.
(c20p24) A single loop of area 0.193 m2 is placed perpendicular to a magnetic field of 0.334 T. The loop is rotated about an axis lying in the plane of the loop and passing through its center. An instantaneous emf of 8.21 Volts is generated when the plane of the loop makes an angle of 45 o with the field direction. What is the angular speed of the loop (rad/s)?
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 rectangular loop of wire has 152 turns, total resistance R=287 n and side length d=0.36 m is inside a magnetic field B=100-2t (where B is in Tandt is in seconds). Find the magnitude and direction of induced current in the loop, at t=2.0 s. Select one: a. 0.00361 A (clockwise direction) b. 0 A (because the magnetic field is perpendicular to the plane of the loop) c.0.549 A (clockwise direction) d. 0.00361 A (counterclockwise direction) e. 0.549 A (counterclockwise...
A circular loop of flexible iron wire has an initial circumference of 160 cm, but its circumference is decreasing at a constant rate of 15.0 cm/s due to a tangential pull on the wire. The loop is in a constant uniform magnetic field of magnitude 0.500 T, which is oriented perpendicular to the plane of the loop. Assume that you are facing the loop and that the magnetic field points into the loop. Find the magnitude of the emf epsilon...
Chapter 30, Problem 015 GO A square wire loop with 2.0 m sides is perpendicular to a uniform magnetic field, with half the area of the loop in the field as shown in the figure. The loop contains an ideal battery with emf 8 = 15 V. If the magnitude of the field varies with time according to B = 0.040 - 0.82 t, with B in teslas and t in seconds, what are (a) the net emf in the...