In a uniform magnetic field of 0.90 T a 500-loop circular armature coil with diameter 20.0cm...
In a uniform magnetic field of 0.90 T a 500-loop circular armature coil with diameter 20.0cm rotates at 240 rev/s. What is the rms voltage output of the generator? What would you do to half the rms voltage output?
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In a uniform magnetic field of 0.90 T a 500-loop circular
armature coil with diameter 20.0cm...
A 310-loop circular armature coil with a diameter of 15.0 cm rotates at 150 rev/s in...
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 440-loop circular armature coil with a diameter of8.0cm rotates at 120rev/s in a uniform magnetic...
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.
A 478-loop circular armature coil with a diameter of 4.9-cm rotates at 169-rev/s in a uniform...
A 478-loop circular armature coil with a diameter of 4.9-cm rotates at 169-rev/s in a uniform magnetic field of strength 0.36-T. What is therms voltage output (in volts) of the generator?
A 600-loop circular armature coil with a diameter of 9.0 cm rotates at 190 rev/s in...
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.
1) A 240-loop circular armature coil with a diameter of 11.2 cm rotates at 100 rev/s...
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...
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)?
(S)A 20.0cm diameter circular loop of wire is placed in a 10T magnetic field with its...
(S)A 20.0cm diameter circular loop of wire is placed in a 10T magnetic field with its plane perpendicular to the magnetic field. The field is applied outward. In 0.40s the loop is rotated until the perpendicular to the loop makes an angle of 30 0 with the field lines (20 credits) Calculate the magnetic flux through the loop when its plane is perpendicular to magnetic field. (a) Calculate the magnetic flux through the loop when its plane makes an angle...
1. The armature of an ac generator is a circular coil with 292 turns and radius...
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 circular loop in the plane of the paper lies in a 0.90 T magnetic field...
A circular loop in the plane of the paper lies in a 0.90 T magnetic field pointing into the paper. The resistance of the coil is 1.80 Ω. If the loop's diameter changes from 24.5 cm to 6.00 cm in 0.30 s, what is the average induced current in milli-amps? Answer in mA.
A circular loop in the plane of the paper lies in a 0.90 T magnetic field...
A circular loop in the plane of the paper lies in a 0.90 T magnetic field pointing into the paper. The resistance of the coil is 1.80 Ω. If the loop's diameter changes from 21.5 cm to 9.00 cm in 0.45 s, what is the average induced current in milli-amps? incorrect answers - 13.635 mA and 35.13 mA
A 478-loop circular armature coil with a diameter of 4.9-cm rotates at 169-rev/s in a uniform magnetic field of strength 0.36-T. What is therms voltage output (in volts) of the generator?
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...
(S)A 20.0cm diameter circular loop of wire is placed in a 10T magnetic field with its plane perpendicular to the magnetic field. The field is applied outward. In 0.40s the loop is rotated until the perpendicular to the loop makes an angle of 30 0 with the field lines (20 credits) Calculate the magnetic flux through the loop when its plane is perpendicular to magnetic field. (a) Calculate the magnetic flux through the loop when its plane makes an angle...
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...
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