Example 9: A loop consisting of eleven turns of wire, each of which encloses 2450 cm2, is oriented perpendicularly to a magnetic field that increases uniformly in magnitude from 14 x 10-3 T to 38 x 10-3T in a time of 8.0 x 10-3 s. What is the resulting induced current in the coil if the resistance of the coil is 5.0 0?

A coil formed by wrapping 55 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 36.0° with the direction of the field. When the magnetic field is increased uniformly from 200 µT to 600 µT in 0.400 s, an emf of magnitude 80.0 mV is induced in the coil. What is the total length of the wire? m

A wire loop with an area of 2.4×10−2 m2m2 is in a magnetic field of 0.40 TT directed at an angle 30∘ to the plane of the loop. If the field drops to zero in 41 ms , what is the average induced emf in the loop? Express your answer using two significant figures.

A conducting coil of 1900 turns is connected to a galvanometer, and the total resistance of the circuit is 30 2. The area of each turn is 4.00 x 10-4 m². This coil is moved from a region where the magnetic field is zero into a region where it is nonzero, the normal to the coil being kept parallel to the magnetic field. The amount of charge that is induced to flow around the circuit is measured to be 7.5 × 10-³ C. Find the magnitude of the magnetic field. Number i 0.29 Units T

A loop of wire with radius rr = 0.072 m is in a magnetic field of magnitude B. The magnetic field is perpendicular to the plane of the loop. B changes from B1 = 0.39 T to B2 = 7.5 T in Δt = 1.5 s at a constant rate.  A) Express the magnitude of the average induced electric field, E, induced in the loop in terms of ΔΦ , r , and Δt. --> E = ? (formula with symbols) B) Calculate the numerical value of E in N/C.

An 44-turn coil has square loops measuring 0.353m along a side and a resistance of 4.1902. It is placed in a magnetic field that makes an angle of 48.9° with the plane of each loop. The mannitude of this field varies 3 with time according to B = 2.85t, where t is measured in seconds and B in teslas. What is the induced current in the coil at t = 1.79s ? An 11-tum coll has square loops measuring 0.353 m along a side and a resistance of 1.19 12. It is placed in a magnetic field that makes an angle of 18.9° with the plane of each loop. The magnitude of this field varies with time according to B-2.8513, where is measured in seconds and 8 in teslas. What is the induced current in the coil at -1.79 ?

A circular loop is hanging on the wall. It has a radius of 33.3 cm and is comprised of ) 12 coils. There is a magnetic field perpendicular to the wall, coming out of the wall, that grows from 1.5 T to 7.5 T in 3.0 seconds. The coil has a resistance of 3.752, what is the magnitude and direction of the induced current in the coil?

A square conducting hoop with side length 1.41 m is placed in a uniform magnetic field that points out the page. The loop lies perpendicular to the field. If the resistance of the loop is 4 w what is the magnitude and direction of the induced current as the magnetic field increases steadily from 2.0 T to 4.0 T in 10.0 seconds