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A circular loop is placed in air (E-H) to measure the electromagnetic field from a test system at...
A circular loop in the plane of the paper lies in a 0.68 T magnetic field pointing into the paper. What is the magnitude of the average induced emf? If the coil resistance is 2.1 Ω , what is the average induced current?
A circular loop in the plane of a paper lies in a 0.85 Tmagnetic field pointing into the paper. The loop's diameter changes from 21.0 cm to 5.2 cm in 0.51 s . What is the magnitude of the average induced emf? What is the average induced current if the coil resistance is 1.5 Ω ?
A circular loop in the plane of a paper lies in a 0.65 T magnetic field pointing into the paper. The loop's diameter changes from 19.0 cm to 6.6 cm in 0.51 sec. What is the magnitude of the average induced emf? What is the average induced current if the coil resistance is 3.1 Ω ?
A circular loop in the plane of a paper lies in a 0.75 T magnetic field pointing into the paper. The loop's diameter changes from 18.5 cm to 5.8 cm in 0.55 s . What is the magnitude of the average induced emf? What is the average induced current if the coil resistance is 4.7 Ω ?
A circular loop in the plane of a paper lies in a 0.65 T magnetic field pointing into the paper. The loop's diameter changes from 19.0 cm to 6.0 cm in 0.49 s . A.What is the direction of the induced current? B.What is the magnitude of the average induced emf? C.What is the average induced current if the coil resistance is 3.3 Ω ?
A circular loop in the plane of a paper lies in a 0.65 T magnetic field pointing into the paper. The loop's diameter changes from 23.0 cm to 5.2 cm in 0.50 s . Part a) What is the direction of the induced current? Part b)What is the magnitude of the average induced emf? Part c) What is the average induced current if the coil resistance is 3.7 Ω ?
a circular loop of radius 0.78 m is placed in a region where there is a magnetic field of strength 5 t directed perpendicularly out of the plane of loop if the loop is rotated by 90 deg in 0.1 seconds so that the plane of the loop is parallel to the field calculate the average emf induced in the loop A circular loop of radius 0.78 m is placed in a region where there is a magnetic field of...
A circular loop in the plane of the screen lies in a 0.83T magnetic field pointing into the screen. If the loop’s diameter changes from 19.0cm to 6.0cm in 0.50s, determine the following: a) What is the magnitude of the average induced emf? b) If the coil resistance is 2.5?, what is the average induced current?
P21.8. A circular wire loop of radius a is situated in a vacuum in the electromagnetic field of a plane wave, of wavelength λ (λ a), and the rms value of the electric field strength E. How should the loop be positioned in order that the emf induced in it be maximal? Determine the rs value of the emin that ca (a)EA.(b)EA. () . ~(aj čmax P21.8. A circular wire loop of radius a is situated in a vacuum in...
A circular loop in the plane of the paper lies in a 0.90 T magnetic field pointing into the paper. The resistance of the coil is 1.80 Ω. If the loop's diameter changes from 21.5 cm to 9.00 cm in 0.45 s, what is the average induced current in milli-amps? incorrect answers - 13.635 mA and 35.13 mA