A 195 turn coil has an area of 5 cm2 and rotates in a magnetic field of 0.5 T. (a) What frequency will generate a maximum EMF of 10 V?
A 195 turn coil has an area of 5 cm2 and rotates in a magnetic field...
A 95 turn square wire coil of area 0.040m2 rotates about a vertical axis at 1490 rev/min, as indicated in the figure below. The horizontal component of Earth's magnetic field at the location of the loop is2.0×10-5 T. Calculate the maximum emf induced in the coil by Earth's field.
A generator has a 100-turn coil that rotates in a 0.30-T magnitude B-field at a frequency of 80 Hz. The area of each loop is 0.003 m2. Assume the coil plane is parallel at time is equal to 0. Determine the emf magnitude (in V) when time is 0.0140 s. Use 3 significant figures for answer.
A 141-turn square wire coil of area 0.0361 m2 and L = 19.0 cm rotates about a vertical axis at 1630 rpm, as indicated in the figure below The horizontal component of the Earth’s magnetic field at the location of the loop is 1.57E-5 T. Calculate the maximum emf induced in the coil by the Earth’s field.
A coil of 255 turns and area 0.500 m2 rotates in a uniform magnetic field B = 0.350 T such that the angle between the magnetic field and the area vector is given by φ(t) = 6.50t rad. If the coil starts from rest at t = 0, what is the magnitude of the emf induced in the coil at t = 25.8 s?
A 114-turn square coil of side 20.0 cm rotates about a vertical axis at ω = 1.20 103 rev/min as indicated in the figure below. The horizontal component of Earth's magnetic field at the coil's location is equal to 2.00 10-5 T. (a) Calculate the maximum emf induced in the coil by this field. 1.824 mV (wrong) (b) What is the orientation of the coil with respect to the magnetic field when the maximum emf occurs? The plane of the...
A flat coil of wire consisting of 20 turns, each with an area of 10 cm, is positioned perpendicularly to a uniform magnetic field that varies with time according to B=2.5 f. where t is measured in s and B in T. If the coil has a total resistance of 0.10 9, what is the magnitude of the induced current at 0.8s? a. 0.20 A b. 0.60 A c. 0.50 A d. 0.80 A e. None of the above At what frequency...
The magnetic field passing perpendicularly through a single-loop coil of area 37 cm2 changes steadily from 6.5x10-3 T to 9.3x10-3 T in 0.50 seconds. What emf is induced in the coil? Answer2.1x10E-5 Volts
coil with 22 turns sits in a magnetic field. The cross-sectional area of the coil is 9.6 cm2. If the magnetic field uniformly reduces from 11 T to 3.0 T in 6.0 seconds, what is the magnitude of the induced emf in that coil?
An experiment to determine the local magnetic field of the Earth uses a coil consisting of 210 individual loops, each of area 12.7 cm2 . The coil is rotated and the resultant induced EMF is used to determine the magnetic field. The coil is rotated in a time interval of 4.90×10−2 s from a position where its plane is perpendicular to the earth's magnetic field to one where its plane is parallel to the field. The earth's magnetic field at the...
A 117-turn square coil of side 20.0 cm rotates about a vertical axis at ω = 1350 rev/min as indicated in the figure below. The horizontal component of the Earth's magnetic field at the coil's location is equal to 2.00 ✕ 10−5 T.(a) Calculate the maximum emf induced in the coil by this field. (b) What is the orientation of the coil with respect to the magnetic field when the maximum emf occurs? The plane of the coil is perpendicular to the...