An AC generator with ten turns of wire, each having area A = 0.08 m?, and having a total resistance of 12.0 N. The coil rotates in a magnetic field of 0.500 T at a constant frequency f = 70.0 Hz, with axis of rotation perpendicular to the direction of the magnetic field. What would be the maximum induced current ? O 12.8 A O 30.5 A O 11.9 A O 14.7 A
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- A circular wire coil with 25 turns and radius 1.02 cm is placed in a uniform magnetic field of strength 6.04 T, directed perpendicular to the plane of the wire loops. Over a period of 1.85 s, the magnetic field fades away to zero. What is the average induced emf (voltage) in the coil over this period of time? 0.016 V 0.035 V 0.043 V 0.027 VA generator needs to produce 4 A of peak (maximum) current in order to power a device. The generator has a resistance of 12 Q. If the generator consists of 400 square loops that have sides of 5 cm, located inside a magnetic field of 0.15 T, then at what frequency should it be rotated to produce the desired current? 250 Hz O 190 Hz O 32 Hz O 51 Hz 320 HzAn electrical generator consists of a circular coil of wire of radius 2.50 cm and with 20 turns in the coil. This coil rotates at a rate of 30 revolutions per second in a uniform magnetic field of strength 0.25 T. What is the induced EMF (voltage) in this generator, averaged over a quarter of a revolution (a 90o turn)? 9.4 V 37.6 V 24.2 V 18.8 V
- A circular coil of 50 turns and radius 8.0cm is placed with its plane oriented at 90 degrees to a magnetic field of .20 T. the field is now increased at a steady rate, reaching a value of .80T after 3.0 seconds. What emf is induced in the coil? a. 40V b. 0V c. 0.20V d. 0.0040V e. 2010VA generator has a N = 220-turn coil with a radius of 5.03 cm. It rotates with a frequency of f = 27 times per second in a B = 1.33 T magnetic field. What is the maximum emf induced in the coil?A 2. A flat coil is wrapped with 200 turns of very thin wire on a square frame with sides 18 cm long. A uniform magnetic field is applied perpendicular to the plane of the coil. If the field changes uniformly from 0.50 T to 0.00 T in 8.0 s, find the emf induced in the coil. a) 2.1 mV b) 4.1 mV c) 0.21 V d) 0.41 V W S E R F T G 20 H K O
- The figure below displays a circular loop of metal wire in a uniform magnetic field pointing into the page. The radius of the loop is 15.0 cm and the magnitude of the field is 0.120 T. You grab points A and B and pull them in opposite directions, stretching the loop until its area is nearly zero, taking a time of 0.210 s to do so. What is the magnitude of the average induced emf in the loop (in mV) during this time?An electric generator contains a coil of 110 turns of wire, each forming a rectangular loop 39.3 cm by 43.0 cm. The coil is placed entirely in a uniform magnetic field with magnitude B = 5.03 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 1300 rev/min about an axis perpendicular to the magnetic field? Number i Units