Physics-
General
Easy
Question
A particle is projected at an angle of 45° with the horizontal with a speed u in a uniform gravitational field, as shown in the figure. The instantaneous angular speed of the particle w.r.t point of projection at the moment it falls at the same horizontal level equals
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- none of the above
The correct answer is:
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A capacitor of capacitance 0.1 F is connected to a battery of emf 8V as shown in the fig. Under steady state condition
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The figure below shows four parallel plate capacitors : A, B, C and D. Each capacitor carries the same charge q and has the same plate area A. As suggested by the figure, the plates of capacitors A and C are separated by a distance d while those of B and D are separated by a distance 2d. Capacitors A and B are maintained in vacuum while capacitors C and D contain dielectrics with constant k = 5.
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