A 478-loop circular armature coil with a diameter of 4.9-cm rotates at 169-rev/s in a uniform...
A 310-loop circular armature coil with a diameter of 15.0 cm rotates at 150 rev/s in a uniform magnetic field of strength 0.30 T What is the rms voltage output of the generator?
A 600-loop circular armature coil with a diameter of 9.0 cm rotates at 190 rev/s in a uniform magnetic field of strength 0.55 T . What is the rms voltage output of the generator? Express your answer to two significant figures and include the appropriate units.
A 440-loop circular armature coil with a diameter of8.0cm rotates at 120rev/s in a uniform magnetic field of strength 0.30T . What is the rms voltage output of the generator? Include appropriate units.
1) A 240-loop circular armature coil with a diameter of 11.2 cm rotates at 100 rev/s in a uniform magnetic field of strength 0.40 T . What is the rms voltage output of the generator? 2) Suppose 51 kW is to be transmitted over two 0.110 Ωlines Estimate how much power is saved if the voltage is stepped up from 190 V to 1900 V and then down again, rather than simply transmitting at 190 V . Assume the transformers...
The armature of an ac generator is a circular coil with 50 turns and radius 3.20 cm. When the armature rotates at 350.0 rev/min, the amplitude of the emf in the coil is 33.0 V. What is the magnitude of the magnetic field (assumed to be uniform)?
1. The armature of an ac generator is a circular coil with 292 turns and radius 4.6 cm. When the armature rotates at 939 rpm, the amplitude of the emf in the coil is 21.3 V. What is the strength of the magnetic field (assumed to be uniform)? 2. The armature of an ac generator is a rectangular coil 27.0 cm by 17.9 cm with 294 turns. It is immersed in a uniform magnetic field of magnitude 3.0 T. If...
A single-loop, wire coil of radius 5.0 cm rotates about its diameter in a uniform magnetic field with flux density B = 0.25 T. The coil rotates 50 times every second (i.e. f = 50 Hz). What is the maximum EMF generated by the rotation of the coil?
The armature of an ac generator is a rectangular coil 2.00 cm by 6.00 cm with 80 turns. It is immersed in a uniform magnetic field of magnitude 0.250 T. If the amplitude of the emf in the coil is 22.0 V, at what angular speed is the armature rotating?
An electric generator contains a coil of 110 turns of wire, each forming a rectangular loop 46.4 cm by 32.8 cm. The coil is placed entirely in a uniform magnetic field with magnitude B = 4.49 T and initially perpendicular to the coil's plane. What is in volts the maximum value of the emf produced when the loop is spun at 863 rev/min about an axis perpendicular to the magnetic field?
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....