A simple ac generator consists of a coil with 10 turns (each turn has an area of 50 cm^2). The coil rotates in a uniform magnetic field of 350 mT with a frequency of 60 Hz. Compute the maximum emf of the generator.
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A simple ac generator consists of a coil with 10 turns (each turn has an area of 50 cm^2). The coil rotates in a uniform magnetic field of 350 mT with a frequency of 60 Hz.
Compute the maximum emf of the generator.
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- An AC generator has 80 rectangular loops on its armature. Each loop is 15 cm long and 9 cm wide. The armature rotates at 1200 rpm about an axis parallel to the long side. If the loop rotates in a uniform magnetic field of 0.8 T, which is perpendicular to the axis of rotation, what will be the maximum output voltage of this generator?Two coils are placed close together in a physics lab to demonstrate Faraday's law of induction. A current of 9.00 A in one is switched off in 1.60 ms, inducing a 6.00 V emf in the other. What is their mutual inductance (in mH)?A simple AC generator consists of 20 coils of wire with an area of 1 000 cm2 and placed in a region where the magnetic field is 0.5 T. How long will it generate a peak electromotive force of 220 V?
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- A coil has self-inductance of 50 μH and a resistance of 3.5 Ω. It is then connected to a 9.0-V battery with an internal resistance of 0.25 Ω. What is the total magnetic energy stored in the coil when steady-state current is reached?If a coil of wire in a magnetic field rotates 60 degrees, it provides an emf averaging 3.0 V. If the coil consists of 10 loops of radius 0.5 m and the magnetic field has strength 5T, how long does the coil take to complete its rotation? Assume the coil is initially parallel to the field. Needs Complete typed solution with 100 % accuracy.A bicycle generator rotates at 1875 rad/s, producing an 18.0 V peak emf. It has a 1.00 by 3.00 cm rectangular coil in a 0.640 T field. It is driven by a 1.60 cm diameter wheel that rolls on the outside rim of the bicycle tire. (a) What is the velocity of the bicycle if the generator’s angular velocity is1875 rad/s? (b) What is the maximum emf of the generator when the bicycle moves at 10.0 m/s, noting that it was 18.0 V under the original conditions? (c) If the sophisticated generator can vary its own magnetic field, what field strength will it need at 5.00 m/s to produce a 9.00 V maximum emf?
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