A 11.7 cm long rod moves at 3.99 (m/sec). What is the strength of magnetic field if a 94.8 V emf is induced.
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A 11.7 cm long rod moves at 3.99 (m/sec). What is the strength of magnetic field if a 94.8 V emf is induced.
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- The 12.0 cm long rod as shown moves at 4.00 m/s.What is the strength of the magnetic field if a 95.0 V emf isinduced?A coil of 1000 turns encloses an area of 50e4 cm2 and is in a magnetic field of strength 3e-6 T which is parallel to the loops area vector. What is the induced emf if the magnetic field changes to 0 in half a minute? 5.0e-7 V 2.5e-7 V 0.005 V 0.0025 VThe magnetic field inside an air-filled solenoid 40 cm long and 3.0 cm in diameter is 0.64 T. Approximately how much energy is stored in this field?
- A wind turbine generator contains a circular coil that is rotated fully through a 100-turn cycle. If the average emf over 10 seconds equals 153 V, with magnetic field strength of 4.00 T, what would be the radius of the coil in meters?the magnetic field starts with a strength (B) of 50 mT into the paper and it decreases to zero and ends up changing direction to be 10 mT out of the paper in 2 ms. If a coil of square loops of wire parallel to the plane of the paper that is 10 cm on a side experiences that B change, how many loops must there be to get a total emf of 10 V?An emf is induced by rotating a 1090 turn, 20.0 cm diameter coil in the Earth's 4.80 × 10¬ I magnetic field. What average emf (in V) is induced, given the plane of the coil is originally perpendicular to the Earth's field and is rotated to be parallel to the field in 10.0 ms? V
- Suppose a conducting rod is 94.5 cm long and slides on a pair of rails at 2.5 m/s. Part (a) What is the strength of the magnetic field in T if a 2 V emf is induced?A circular loop in the plane of the paper lies in a 0.60 T magnetic field pointing into the paper. The resistance of the coil is 1.55 Ω. If the loop's diameter changes from 20.5 cm to 9.00 cm in 0.40 s, what is the average induced current in milli-amps?An emf is induced by rotating a 1000 turn, 15 cm diameter coil in the Earth’s 5.00 × 10-5 T magnetic field. What average emf (in volts) is induced, given the plane of the coil is originally perpendicular to the Earth’s field and is rotated to be parallel to the field in 8 ms?
- An emf of 24.0 mV is induced in a 500-turn coil when the current is changing at a rate of 10.0 A/s. What is the magnetic flux through each turn of the coil at an instant when the current is 4.00 A?An emf is induced by rotating a 1447 turn, 20.0 cm diameter coil in the Earth's 5.53 x 10-5 T magnetic field. What average emf is induced, given the plane of the coil is originally perpendicular to the Earth's field and is rotated to be parallel to the field in 10.0 ms? V3. A 21.0 cm diameter coil consists of 34 turns of cylindrical copper wire 2.80 mm in diameter. A uniform magnetic field, perpendicular to the plane of the coil, changes at a rate of 8.50 × 10−³ T/s. Determine the current in the loop in milli-amps (the resistivity for copper is 1.72 × 10-³2.m). mA