A cochlea implant includes a 10 cm2 conductor loop that is subject to time-varying magnetic field of 1 T/s, as the patient moves into the magnetic field, and a maximum magnetic field of 1.5 T in an MRI machine. The resistance of this conductor loop is 1 X 10-7 Ω. a) What is the maximum current in the conducting loop? b) What is the maximum torque exerted on the conducting loop?
A] Current induced = emf/Resistance = rate of change of flux/resistance = [Area*dB/dt]/R = 10e-4*1/1e-7 = 10000 A answer
B] Maximum torque = I*Area*B = 10000*10e-4*1.5 = 15 Nm
A cochlea implant includes a 10 cm2 conductor loop that is subject to time-varying magnetic field...
A square loop 10 cm on a side is placed in a uniform, time-varying magnetic field perpendicular to the plane of the loop, as indicated in the figure below. The field has an instantaneous magnitude of 0.63 T and is increasing at the rate of 0.33 T/ms. The loop has a resistance of 0.0162. (a) Find the loop's magnetic moment. magnitude direction Select (b) Find the torque on the loop
A square loop 10 cm on a side is placed...
A conducting single-turn circular loop with a total resistance of 5.50 Ω is placed in a time-varying magnetic field that produces a magnetic flux through the loop given by ΦB = a + bt2 − ct3, where a = 5.00 Wb, b = 12.5 Wb/s−2, and c = 7.50 Wb/s-3. ΦB is in webers, and t is in seconds. What is the maximum current induced in the loop during the time interval t = 0 to t = 1.25 s?...
An 7.0cm× 7.0 cm square loop is halfway into a magnetic field that is perpendicular to the plane of the loop. The loop's mass is 10 g and its resistance is 0.040 Ω . A switch is closed at t =0s, causing the magnetic field to increase from 0 to 1.0 T in 0.010 s. part A) What is the induced current in the square loop? part B) With what speed is the loop "kicked" away from the magnetic field?
1. An electron moves in a circular path in the magnetic field of an electromagnet. The plune of the electron's Sicular path is parallel to the smooth vole faces of the electromagnet. In the region where the electron is moving the magnetic field is uniform and has magnitude 0,50 T. The electron moves with a speed of 1.5 x 10 m/s. a. If someone could observe the electron from the north pole of the electromagnet, would the electron inove clockwise...
4.) For the slidewire generator below, the magnetic field is a constant 2.0 T into the page, the length L is 0.50 m and the conducting slidewire moves at 5.5 m/s. The total resistance of the circuit is R=1.5 Ω. a.) Find the induced current (7 pts). b.) How much power is dissipated? (6 pts) c.) In what direction does the induced current flow? (3 pts) A current carrying circular loop with N-50 turns rotates in a 2.0 T magnetic...
16)A triangular conducting loop lies in a uniform magnetic field B which varies with time as shown in 10 the graph. At t = 1 s the magnetic field is pointing out of the page. The triangle's height is-3 ma ptsFor what time interval(s) is the induced current in the loop equal to zero? (b) During what time interval (s) is the magnitude of the induced current a maximum? (c) What is the magnitude of the induced voltage at t...
The following figure shows you a circular loop with radius 10 cm. A magnetic field is DECREASING from 1.5 T to 0.5 T in 4 mili - seconds. The angle 0 = 60 degrees.(12 points) • Compute the induced EMF in the loop. • If the resistance of the loop is of 5 ohms, what is the value of the induced current. • What is the direction of the induced current?
3. The following figure shows you a circular loop with radius 10 cm. A magnetic field is DECREASING from 1.5 T to 0.5 T in 4 mili - seconds. The angle 8 = 60 degrees. Compute the induced EMF in the loop. • If the resistance of the loop is of 5 ohms, what is the value of the induced current. • What is the direction of the induced current?
A single loop of wire with an area of 9.07×10−2 m2 is in a uniform magnetic field that has an initial value of 3.77 T , is perpendicular to the plane of the loop, and is decreasing at a constant rate of 0.191 T/s . A) What emf is induced in this loop? B) If the loop has a resistance of 0.620 Ω , find the current induced in the loop.
A circular loop of wire with radius r= 0.0480m and reistance R = 0.160 Ω is in a region of spatially uniform magnetic field, as shown in the figure. The magnetic field is directed out of the plane of the figure. The magnetic field has an initial value of 8.00 T and is decreasing dB/ dt = -0.680 T a) Is the induced current in the loop clockwise or counterclockwise? b) What is the rate at which electrical energy is being dissipated...