A 75.0 Ω circular coil of wire of 25 turns, 15.00 cm in diameter, is rotated...
A 75.0 Ω circular coil of wire of 25 turns, 15.00 cm in diameter, is rotated at an angular velocity of 314 rad/s in an external magnetic field of 2.50 T. Find (a) the maximum induced emf, (b) the frequency of the alternating emf, (c) the maximum current in the coil, and (d) the instantaneous current at 7.00 s (in radians).
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A 75.0 Ω circular coil of wire of 25 turns, 15.00 cm in
diameter, is rotated...
a. A coil of wire with 209 circular turns of radius 3.10 cm is in a...
a. A coil of wire with 209 circular turns of radius 3.10 cm is in a uniform magnetic field along the axis of the coil. The coil has R = 41.5 Ω . At what rate, in teslas per second, must the magnetic field be changing to induce a current of 0.149 A in the coil? b. A closely wound rectangular coil of 90.0 turns has dimensions of 30.0 cm by 47.0 cm . The plane of the coil is...
A rectangular coil of N turns and of length a and width b is rotated at...
A rectangular coil of N turns and of length a and width b is rotated at frequency f in a uniform magnetic field of magnitude B, as indicated in the figure. The coil is connected to co-rotating cylinders, against which metal brushes slide to make contact. The emf induced in the coil is given (as a function of time t) by E = 2 pi f Nab Bs in (2 pi ft) = e_0 sin (2 pi ft) This is...
A circular coil with a diameter of 23.4 cm and 210 turns rotates about a vertical...
A circular coil with a diameter of 23.4 cm and 210 turns rotates about a vertical axis with an angular speed of 1750 rpm. The only magnetic field in this system is that of the Earth. The location of the coil, the horizontal component of the magnetic field is 3.65 x 10-5 T, and the vertical component is 2.97 x 10-5 T. Find the maximum emf induced in the coil. A. 60.3 mV B. 9.60 mV C. 241 mV D....
A circular coil of wire of 200 turns and diameter 2.0 cm carries a current of...
A circular coil of wire of 200 turns and diameter 2.0 cm carries a current of 5.0 A. It is placed in a magnetic field of 0.9T with the plane of the coil making an angle of 30° with the magnetic field. What is the magnetic torque on the coil? A circular coil of wire of 200 turns and diameter 2.0 cm carries a current of 5.0 A. It is placed in a magnetic field of with the plane of...
A coil of 40 turns of wire is wound about a circular form. The average diameter...
A coil of 40 turns of wire is wound about a circular form. The average diameter of the individual loops is 30.5 cm. Calculate the magnetic moment of the coil when it carries a current of 2.50 A.
A rectangular coil of length a and width b consisting of N turns is rotated at...
A rectangular coil of length a and width b consisting of N turns is rotated at a frequency f in a uniform magnetic field as shown in the Figure. The coil is connected to two co-rotating cylinders against which metallic brushes make a sliding electrical contact. This is the basic design of an alternating current generator. (a) Find the emf, E, induced in the coil as a function of time in terms of B, N, a, b, and f. (b)...
A circular coil of wire with radius 2 cm and 60 turns is placed in a...
A circular coil of wire with radius 2 cm and 60 turns is placed in a uniform magnetic field of magnitude 0.8 T. The magnetic field is parallel to the area vector; i.e. perpendicular to the plane of the coil. a) What is the magnetic flux through the coil? b) The magnetic field is decreased to 0 T in 0.1 s. What is the magnitude of the emf induced in the coil during this time interval? c) If the coil...
A copper wire makes up a 139 turns, 5.60 cm diameter coil. The resistance of the...
A copper wire makes up a 139 turns, 5.60 cm diameter coil. The resistance of the coil is 3.40 Ω. There is a magnetic field parallel to the axis of the coil. If the induced current in the coil is 2.20 A, what is the rate of change of the magnetic field?
5. A rectangular coil of length a and width b consisting of N turns is rotated...
5. A rectangular coil of length a and width b consisting of N turns is rotated at a frequency fin a uniform magnetic field as shown in the Figure. The coil is connected to two co-rotating cylinders against which metallic brushes make a sliding electrical contact. This is the basic design of an alternating current generator. (a) Find the emf, E, induced in the coil as a function of time in terms of B, N, a, b, and f. (b)...
#16 A 22.0-cm-diameter coil consists of 28 turns of circular copper wire 2.6 mm in diameter....
#16
A 22.0-cm-diameter coil consists of 28 turns of circular copper wire 2.6 mm in diameter. A uniform magnetic field, perpendicular to the plane of the coil, changes at a rate of 8.65 Times 10^-3 T/s. Determine the current in the loop, and the rate at which thermal energy is produced. A power line carrying a sinusoidally varying current with frequency f = 60 Hz and peak value I_0 = 55 kA runs at a height of 7.0 m across...
A rectangular coil of N turns and of length a and width b is rotated at frequency f in a uniform magnetic field of magnitude B, as indicated in the figure. The coil is connected to co-rotating cylinders, against which metal brushes slide to make contact. The emf induced in the coil is given (as a function of time t) by E = 2 pi f Nab Bs in (2 pi ft) = e_0 sin (2 pi ft) This is...
A circular coil of wire with radius 2 cm and 60 turns is placed in a uniform magnetic field of magnitude 0.8 T. The magnetic field is parallel to the area vector; i.e. perpendicular to the plane of the coil. a) What is the magnetic flux through the coil? b) The magnetic field is decreased to 0 T in 0.1 s. What is the magnitude of the emf induced in the coil during this time interval? c) If the coil...
5. A rectangular coil of length a and width b consisting of N turns is rotated at a frequency fin a uniform magnetic field as shown in the Figure. The coil is connected to two co-rotating cylinders against which metallic brushes make a sliding electrical contact. This is the basic design of an alternating current generator. (a) Find the emf, E, induced in the coil as a function of time in terms of B, N, a, b, and f. (b)...
#16
A 22.0-cm-diameter coil consists of 28 turns of circular copper wire 2.6 mm in diameter. A uniform magnetic field, perpendicular to the plane of the coil, changes at a rate of 8.65 Times 10^-3 T/s. Determine the current in the loop, and the rate at which thermal energy is produced. A power line carrying a sinusoidally varying current with frequency f = 60 Hz and peak value I_0 = 55 kA runs at a height of 7.0 m across...
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