On a clear day at a certain location, a 100-V/m vertical electric field exists near the Earth's surface. At the same place, the Earth's magnetic field has a magnitude of 0.500 × 10-4 T. Compute the energy densities of the electric field
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A: E=P∆t =ε2R∆t =∆tR∆ϕ∆t2 =A∆B2R∆t
Q: Considerable scientific work is currently under way to determine whether weak oscillating magnetic…
A: See below
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A: The induce emf is given by E=BverticalLv
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- An aircraft, of wing span 31.1 m, flies horizontally at a speed of 900 km/h. If the angle of dip of the magnetic field lines of the Earth is 64 degrees with respect to the Earth surface, calculate the emf induced between the tips of the wings. Take the value of the horizontal component of the magnetic field of the Earth ?=2×10−5B=2×10−5 T. Please remember to select the correct units.An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 1.60 T field with his fingers pointing in the direction of the field. Find the magnitude of the average emf (in V) induced in his wedding ring, given its diameter is 2.26 cm and assuming it takes 0.210 s to move it into the field.An airplane is flying due north at 720 km/h. The Earth’s magnetic field has a northward component of 0.020 mT and a downward component of 0.050 mT (Southern Indiana). (a) If the wingspan (distance between wingtips) is 35 m, what is the motional emf between the wingtips? (b) Which wingtip has the higher electric potential?
- An aircraft, of wing span 38.7 m, flies horizontally at a speed of 900 km/h. If the angle of dip of the magnetic field lines of the Earth is 64 degrees with respect to the Earth surface, calculate the emf induced between the tips of the wings. Take the value of the horizontal component of the magnetic field of the Earth B=2×10−5B=2×10−5 T. Please remember to select the correct units.An automobile with a radio antenna 1.3 m long travels at 108.0 km/h in a location where the Earth's horizontal magnetic field is 3.0 ✕ 10−5 T. What is the maximum possible emf (in V) induced in the antenna due to this motion?005 A uniform electric field of magnitude 5.06 x 10 V/m throughout a cylindrical volume re- sults in a total energy of 2.95 µJ. What magnetic field over this same region stores the same total energy? Answer in units of T.
- A 48 turn coil of wire creates a circular area of 6.95 cm2. If a magnetic field of 90.79 T hits this area at a right angle, what is the magnetic flux (in Wb) through the coil?How much current must pass through a horizontal power transmission cable in order for the magnetic field at a location 21 m directly below it to be equal to the Earth's magnetic field, which is approximately 8.0 x 10-5 T? Express your answer to two significant figures and include appropriate units. Value Units ?A circular conducting loop with a radius of 1.00 m and a small gap filled with a 10.0 resistor is oriented in the xy-pane. If a magnetic field of 2.0 T, making an angle of 30° with the z-axis increases to 9.0 T, in 2.0 s, what is the magnitude of the current that will be caused to flow in the conductor?