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The plates of a parallel-plate capacitor have areas of 10 cm2 each and are separated by 2 cm. The capacitor is filled with a dielectric material with ε= 4ε0, and the voltage across it is given byV (t) = 30 cos 2π×106t (V). Find the displacement current.
A coaxial capacitor of length l = 6 cm uses an insulating dielectric material with r = 9. The radii of the cylindrical conductors are 0.5 cm and 1 cm. If the voltage applied across the capacitor is
V (t) = 50 sin(120πt) (V),
what is the displacement current?
A hunter shoots an arrow at a deer running directly away from him. When the arrow leaves the bow, the deer is at a distance of 40 m. When the arrow strikes, the deer is at a distance of 50 m. The speed of the arrow is 65 m/s. a) what should have been..
If a scuba diver descends also quickly into the sea, the internal pressure on all eardrum remains at atmospheric pressure while the external pressure increases due to the increased water depth. At sufficient depths, the dissimilarity between the exte..
A dentist uses a mirror to examine a tooth that is 0.75 cm in front of the mirror. The image of the toothis formed 9.0 cm behind the mirror. Determine the mirror's radius of curvature.
The figure below shows three charges at the corners of a rectangle of length x = 0.35 m and height y = 0.22 m. How much work must be done to move the three charges infinitely far from one another?
A +44 nC charge is placed on the z- axis at (0,0,5 cm). A grounded conducting plane fills the x-y plane where z=0. A) Find the surface charge charge density on the conducting plane at the origin.
A photon with a wavelength of 5.70e-11 m is scattered by a loosely bound electron in a metallic target and exits at an angle of 135° from its original direction. What is the wavelength of the scattered photon?
Atwood's Machine The two masses (m1 = 5.1kg and m2 = 2.5kg ) in the Atwood's machine are released from rest, with m1 at a height of 0.95m above the floor. Determine the pulley's mass
A conducting rod is moved in a magnetic field of 0.5T as shown. The bar is 0.4m long and has a velocity of 12 m/s. What is the induced voltage across the bar
A duck has a mass of 2.1 kg. As the duck paddles, a force of 0.09 N acts on it in a direction due east, Find the magnitude and direction (relative to due east) of the displacement that the duck undergoes in 2.6 s while the forces are acting
a rectangular coil with resistance r has n turns each of length l and width w. the coil moves into a uniform magnetic
If it is 4 degrees Celsius outside and the tugboat is moving toward the cliffs at 24.4 m/s and you have an LRC circuit with a 12.5 micro Henry inductor what should you set the variable capacitance capacitor at (in Farads) to get the best signal?
Given that the length of a month is 27.32 days, the mean gravity on Earth is 9.81 m s2 and the Earth's radius is 6371 km, Calculate the radius of the Moon's orbit
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