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(10pts) A coil with 500 turns of cross-sectional area 2 m2 rotates at 60 Hz in...
A coil of 255 turns and area 0.500 m2 rotates in a uniform magnetic field B...
A coil of 255 turns and area 0.500 m2 rotates in a uniform magnetic field B = 0.350 T such that the angle between the magnetic field and the area vector is given by φ(t) = 6.50t rad. If the coil starts from rest at t = 0, what is the magnitude of the emf induced in the coil at t = 25.8 s?
coil with 22 turns sits in a magnetic field. The cross-sectional area of the coil is...
coil with 22 turns sits in a magnetic field. The cross-sectional area of the coil is 9.6 cm2. If the magnetic field uniformly reduces from 11 T to 3.0 T in 6.0 seconds, what is the magnitude of the induced emf in that coil?
A circular coil of wire 50 turns and a cross sectional area of 10.0 cm^2 carries...
A circular coil of wire 50 turns and a cross sectional area of 10.0 cm^2 carries a current of 4.0 A.It is placed in a magnetic field of 2.0 T with the coil making an angle of 60 degrees with the magnetic field. What is the torque exerted on the coil by the field? A) 0.70 N*m B) 0.20 N*m C) 0.80 N*m D) 0.40 N*m E) 0.35 N*m (I got 0.80 N*m,but I feel like I did something wrong...
A wire coil of 25 turns has a cross-sectional area of 10 cm2. The coil is...
A wire coil of 25 turns has a cross-sectional area of 10 cm2. The coil is placed in a uniform field of a large magnet with B = 0.17 T. The coil is suddenly rotated 90 o from an orientation parallel to the field to one perpendicular to the field. The time to flip the coil is 0.51 s. What is the magnitude of the average emf produced? What will be the average current produced if the circuit of the...
A 200-loop coil of cross sectional area 0.50 m2 lies in the plane of this paper....
A 200-loop coil of cross sectional area 0.50 m2 lies in the plane of this paper. Directed out of the paper is a magnetic field of 0.080 T. The field out of the paper decreases to 0.020 T in 25 ms (milli-second). What is the average EMF in the coil as the flux is changing? a-60 V b-80 V c-50 V d-70 V e-90 V
A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of...
A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of 0.150 m2. A coil having 240 turns and a total resistance of 19.0 12 is placed around the electromagnet. The current in the electromagnet is then smoothly reduced until it reaches zero in 20.0 ms. What is the current induced in the coil?
A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of...
A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of 0.190 m2. A coil having 240 turns and a total resistance of 19.0 Ω is placed around the electromagnet. The current in the electromagnet is then smoothly reduced until it reaches zero in 20.0 ms. What is the current induced in the coil?
A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of...
A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of 0.270 m2. A coil having 210 turns and a total resistance of 17.0 Ω is placed around the electromagnet. The current in the electromagnet is then smoothly reduced until it reaches zero in 20.0 ms. What is the current induced in the coil?
A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of...
A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of 0.310 m2. A coil having 190 turns and a total resistance of 22.0 Ω is placed around the electromagnet. The current in the electromagnet is then smoothly reduced until it reaches zero in 20.0 ms. What is the current induced in the coil? ______A
The coil of an electric generator rotates at a frequency of 60.0 Hz and develops an...
The coil of an electric generator rotates at a frequency of 60.0 Hz and develops an emf of 120 V. The coil has an area of 0.0030 m^2 and consists of 500 turns. Find the magnitude of the magnetic field in which the coil rotates. Answer: 0.30 T
A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of 0.150 m2. A coil having 240 turns and a total resistance of 19.0 12 is placed around the electromagnet. The current in the electromagnet is then smoothly reduced until it reaches zero in 20.0 ms. What is the current induced in the coil?
The coil of an electric generator rotates at a frequency of 60.0 Hz and develops an emf of 120 V. The coil has an area of 0.0030 m^2 and consists of 500 turns. Find the magnitude of the magnetic field in which the coil rotates. Answer: 0.30 T
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