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) Design a loop that will produce a root-mean-square emf of 120 V when rotated at 60.0 revolutions/s in a field of 0.5 T. This time dependent emf is equivalent to that of a wall socket in your home.
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A rectangular coil of length a and width b consisting of N turns
is rotated at...
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)...
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 rectangular coil of N turns with length a and width b rotates at frequency fin...
A rectangular coil of N turns with length a and width b rotates at frequency fin a uniform magnetic field B. The coil is connected to co- rotating cylinders, against which metal brushes slide to make contact. Calculate the mathematical expression of the induced voltage. Sliding contacts вх х х х х х х х х х г 1 * x * Answer: 0 = NB · À = NabBcos(21ft) = V = -N = 21f NabBsin(2nft) Can you design...
A generator is constructed by rotating a coil of N turns in a magnetic field B...
A generator is constructed by rotating a coil of N turns in a magnetic field B at a frequency f. The internal resistance of the coil is R and the cross sectional area of the coil is A. The average induced EMF doubles if the magnetic field B is doubled. The average induced EMF doubles if the area A is doubled. The average induced EMF doubles if the frequency f is doubled. The average induced EMF doubles if the resistance...
A generator is constructed by rotating a coil of N turns in a magnetic field B...
A generator is constructed by rotating a coil of N turns in a magnetic field B at a frequency f. The internal resistance of the coil is R and the cross sectional area of the coil is A. Which of the following statements are true? (Give ALL correct answers, i.e., B, AC, BCD...) A) The maximum induced EMF doubles if the frequency f is doubled. B) The maximum induced EMF doubles if the magnetic field B is doubled. C) The...
A generator is constructed by rotating a coil of N turns in a magnetic field B...
A generator is constructed by rotating a coil of N turns in a magnetic field B at a frequency f. The internal resistance of the coil is R and the cross sectional area of the coil is A. True or False 1. The average induced EMF doubles if the resistance R is doubled 2. The average induced EMF doubles if the magnetic field B is doubled 3. The maximum induced EMF occurs when the coil is rotated about an axis...
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).
A rectangular coil of N = 123 turns and resistance R = 31?, moves at a...
A rectangular coil of N = 123 turns and resistance R = 31?, moves at a constant speed V= 14 m/s from a region with no magnetic field into a region with a magnetic field B= 0.79 T, That points into the page. The dimensions of the coil are a = 0.27 m by b = 0.14 m. While the coil straddles the boundary between the two regions, A. What is the magnitude of the induced emf, epsilon ? What...
A closely wound rectangular coil of 95.0 turns has dimensions of 23.0 cm by 41.0 cm...
A closely wound rectangular coil of 95.0 turns has dimensions of 23.0 cm by 41.0 cm . The plane of the coil is rotated from a position where it makes an angle of 30.0 ∘ with a magnetic field of 1.50 T to a position perpendicular to the field. The rotation takes 7.00×10−2 s . What is the average emf induced in the coil?
A closely wound rectangular coil of 100 turns has dimensions of 22.0 cm by 49.0 cm...
A closely wound rectangular coil of 100 turns has dimensions of 22.0 cm by 49.0 cm . The plane of the coil is rotated from a position where it makes an angle of 31.0 ∘∘ with a magnetic field of 1.90 T to a position perpendicular to the field. The rotation takes 7.00×10−2 s. What is the average emf induced in 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)...
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 rectangular coil of N turns with length a and width b rotates at frequency fin a uniform magnetic field B. The coil is connected to co- rotating cylinders, against which metal brushes slide to make contact. Calculate the mathematical expression of the induced voltage. Sliding contacts вх х х х х х х х х х г 1 * x * Answer: 0 = NB · À = NabBcos(21ft) = V = -N = 21f NabBsin(2nft) Can you design...
A rectangular coil of N = 123 turns and resistance R = 31?, moves at a constant speed V= 14 m/s from a region with no magnetic field into a region with a magnetic field B= 0.79 T, That points into the page. The dimensions of the coil are a = 0.27 m by b = 0.14 m. While the coil straddles the boundary between the two regions, A. What is the magnitude of the induced emf, epsilon ? What...
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