A square loop of conductive wire is laid flat agalnst this computer screen. Each side of the square is 3.0m long. A 5.0T magnetic field passes through the loop, oriented so that it points directly out of your screen. If the magnetic field drops to only 2.0T over the course of 1.5 seconds, what emf will be produced in the square loop?

A square coil of wire with a side length of 10cm is looped around 10 times. The coil sits in an increasing nagnetic field. The magnetic field increases linearly from 1T to 2T within 5 seconds. A. What is the illustration of this equation?

Problem 2: A 200-turn coil has an area of 0.02 m² and is placed in a magnetic field of 0.5 T. Calculate the magnetic flux through the coil when it is oriented perpendicular to the magnetic field.

A conducting wire loop of radius 12 cm, that contains a 4.0-2 resistor, is in the presence of a uniform magnetic field of strength 3.0 T that is perpendicular to the plane of the loop. If the magnetic field is turned off in a time of 0.50 s, what is the current induced in the loop? a. 52 mA b. 68 mA O c. 95 mA d. 117 mA O e. 168 mA

The device shown in the figure allows you to measure the rate of blood flow in the vessels of the human body, since the blood contains electrically charged ions. Suppose that the blood vessel measures 2.0 mm in diameter, that the magnetic field is 0.080 T and that the fem measurement is 0.10 mV. Is this statement True or False? N S Voltímetro

A small circular coil of 20 loops of wire having a radius of 1 cm is at rest in the X-y plane (so the normal to the loop points in the +z-direction). A uniform magnetic field of 0.5 T is turned on in the +x-direction. What is the magnetic flux through the loop? a. 7.85 x 10 Tm² b. 1.57 x 10 4 T m² O c. 3.14 x 10 3 T m2 O d. 0 T m2

= A single-turn circular loop has a radius of 25 cm, it is placed in a magnetic field of B 3.5 T which is perpendicular to the plane of the loop, see the figure below. The loop is reshaped into a perfect square without stretching the length of the loop. It takes 0.43 s to reshape the loop. What is the magnetic flux through the loop before and after it is reshaped? B X X X X X X X X X X X X X x x The final flux, Of = 5 x X X X X X X The initial flux, ¡ = 0.0000006 X Units mWb Х Х The induced emf, Emf = 34 X Units mWb x X X X What is the magnitude of the average induced emf in the loop during the reshaping process? X Units mV хх Question Help: Message instructor Post to forum

1. A student uses a coil of radius 14 cm with 90 windings.a) Calculate the expected slope for a plot of magnetic field vs current in this coil.b) She performs the lab and measures a slope of 4.2 ́ 10-4 T/A. Based on this slope, what valuedoes she calculate for μo ?c) Calculate the percent error between her measured value of μo and the theoretical value.

A long solenoid has a radius of 4 cm and has 800 turns/m. If the current in the solenoid is increasing at the rate of 6 A/s, what is the magnitude of the induced electric field at a point 2.2 cm from the axis of the solenoid? a. 219.00 μν/m b. 90.00 μν/m Ο c. 66.30 μν/m d. 54.00 µV/m e. 482.16 µV/m

The magnetic field of the Figure below decreases from 1 T to 0.4 T in 1.2 s. A 6 cm diameter conducting loop with a resistance of 0.01 Ω is perpendicular to magnetic field as shown. What are the size and direction of the current induced in the loop?