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The plates of a parallel plate capacitor are 5 mm apart and 2 m2 in area. The plates are in vacuum. A potential difference of 10000 Volts is applied across the capacitor. Calculate (a) the capacitance, (b) the charge on each plate, (c) the surface density of charge, (d) the electric field between plates, and (e) the electric displacement between plates.
The charged capacitor in problem is disconnected from the charging voltage and insulated so that the charges on its plates remain constant. A sheet of dielectric 5 mm thick, of dielectric constant 5, is inserted between the plates. Calculate (a) the electric displacement in the dielectric, (b) the electric field in the dielectric, (c) the potential difference across the capacitor, and (d) its capacitance.
A ROCKETSHIP IN FREE SPACE MOVES WITH CONSTANT ACCELERATION OF 9.8 METER PER SECOND SQUARE. IF IT STARTS FROM REST HOW LONG IT WILL TAKE TO ACQUIRE A SPEED ONE-TENTH THAT OF LIGHT
Your friend has gifted an earphone set to you. While music is on you will try to oppose the two ear phone pieces to attract. Task-I: Will they attract? If yes, why so?
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A convex lens of refractive index 1.5 has a focal length of 18 cm in air. Measure the change in its focal length when it is immersed in water of refractive index. Distinguish am
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