A 32-turn circular coil of wire has diameter 0.91 m. It is placed with its axis along the direction of the Earth's magnetic field of 42.0 µT and then in 0.200 s is flipped 180°. An average emf of what magnitude is generated in the coil? ImY
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- 003 A circular coil of wire 7.8 cm in diameter has a resistance of 1.61 2. It is located in a magnetic field of 0.304 T directed at right angles to the plane of the coil. The coil is removed from the field in 0.169 s. What is the induced emf in the coil? As- sume the magnetic flux is reduced linearly. Answer in units of V. How much electric energy is lost in the process? Answer in units of J.The intensity of the Earth's magnetic field near the equator is 35.0 UT. A circular coil with 42 tums and a radius of 77.0 cm is placed so its axis points along the direction of the Earth's magnetic field. The coil is then rotated through an angle of 265* in 50.0 ms. What is the magnitude of the average emf generated in the circular 0.00575 x Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. VA velocity selector in a mass spectrometer uses a 0.130 T magnetic field. a. What electric field strength (in volts per meter) is needed to select a speed of 3.70 ✕ 106 m/s? b. What is the voltage (in kilovolts) between the plates if they are separated by 1.00 cm?
- A 58.7-meter-long spacecraft flies past a neutron star, and passes through the neutron star s extremely powerful magnetic field of strength 2.36 x 10^4 T. The spacecraft travels at a velocity of 5.60 km/s in a direction perpendicular to the magnetic field; the spacecraft s long axis is also perpendicular to the magnetic field. What is the induced emf (voltage) between the two ends of the spacecraft? 7.76E+08 V 7.76E+09 V 7.76E+06 V 7.76E+05 VThe magnetic field between the poles of a magnet has magnitude 0.510 T. A circular loop of wire with radius 1.30 cm is placed between the poles so the field makes an angle of 22.0° with the plane of the loop. What is the magnetic flux through the loop? WbA coil of wire with a radius of 3.2cm is rotated at 85 rpm in a 0.075T magnetic field. What is the maximum emf generated?
- A 34-turn circular coil of wire has diameter 0.97 m. It is placed with its axis along the direction of the Earth's magnetic field of 41.0 μT and then in 0.200 s is flipped 180°. An average emf of what magnitude is generated in the coil? mVThe magnitude of the magnetic flux through the surface of a circular plate is 2.50 10-5 T. m2 when it is placed in a region of uniform magnetic field that is oriented at 46.0° to the vertical. The radius of the plate is 8.50 cm. Determine the strength of the magnetic field. mT?The intensity of the Earth's magnetic field near the equator is 35.0 µT. A circular coil with 42 tums and a radius of 77.0 cm is placed so its axis points along the direction of the Earth's magnetic field. The coil is then rotated through an angle of 265° in 50.0 ms. What is the magnitude of the average emf generated in the circular V
- An electromagnet is turned on to produce a magnetic field that stabilizes at 3 T after 0.5 s. A single wire loop of radius 0.1 m is aligned perpendicular to the magnetic field. What is the average emf produced in the wire loop over the time it takes the current to stabilizeCircular wire coils with a diameter of 0.64 m are made up of 30 turns. In 0.40 s, it is turned 180 degrees and put in the Earth's magnetic field of 70.0 /T. What is the coil's typical emf output?A metal rod 0.84 m long moves with a speed of 1.9 m/s perpendicular to a magnetic field. If the induced emf between the ends of the rod is 0.39 V , what is the strength of the magnetic field? Express your answer using two significant figures.