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1. State the relationship between polarization current density and electric field intensity. How is it taken into account in Maxwell's equations?
2. What is the revised definition of D?
3. State the relationship between D and E in a dielectric material. How does it simplify the solution of field problems involving dielectrics?
4. What is an anisotropic dielectric material?
5. When can an effective permittivity be defined for an anisotropic dielectric material?
6. Briefly describe the phenomenon of magnetization.
7. What is a magnetic dipole? How is its strength defined?
in a cloud chamber experiment a proton enters a uniform 0.260t magnetic field directed perpendicular to its motion. you
small object is placed to the left of a convex lens and on its optical axis. The object is 30 cm from the lens, which has a focal length of 14 cm. what will the image position be
Two cars a and b are travelling in the equal direction with velocities A and B(A>B). While the car a is at a distance behind car b, the drive of car a applies break producing uniform retardation r, there will b no collision while.
A block of aluminum is 7cm x 5cm x 5cm. The initial temperature of the aluminum is -30oC. How much heat must you add to bring the block temperature up to 30oC?
a 7500kg rocket blasts off vertically from the launch pad with a constant upward acceleration of 2.25ms -2 and feels
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Suppose that you pull on the rope OA shown in the figure, exerting a 50 N force F at O. What are the force vectors
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a fireman 48.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of
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The angular speed of a propeller on a boat increases with constantacceleration from 10.9 rad/s to 24.0 rad/s in 2.20 revolutions. What is the acceleration of the propeller
A liquid is flowing through a horizontal pipe whose radius is 0.0216 m. What volume flow rate will keep the pressures in the two horizontal pipes the same
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