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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 2.0-kg projectile is fired with initial velocity components v0x= 30m/s and v0y= 40m/s from a point on the earth's surface. Neglect any effects due to air resistance. What is the
Ampere's Law is a relation among cause and effect. When Ampere's law is write in the form below on which side of the equation is the cause and on which side of the equation is the
The system below consist of identical massed (m1, and m2) that are connected by a string of negligible mass. Mass m1, is on a frictionless horizontal surface. The string runs over
when to identical cells are connected either in series or parallel across a 2 ohm resistor they send the same current through it calculate the internal resistance of each cell?
For silicon the forbidden gap is (A) 1.1ev. (B) 0.25ev. (C) 0.5ev. (D) 0.7ev. Ans: For silicon the forbidden gap is 1.1ev.
Write down the second form of the Green’s theorem?
Gaia hypothesis (J. Lovelock, 1969): The idea that as a whole Earth should be regarded as a living organism & that biological procedure stabilize the environment.
In a Newton's ring set up, the gap between the glass plate and the lens is filled with a transparent liquid. If the liquid is replaced by a second liquid, the rings shrink. Which o
Alpha particles are nuclei of: a) Hydrogen b) Helium c) Oxygen d) Nitrogen Ans: Alpha particles are nuclei of helium.
A person is tasked with creating a ray diagram to conclude the characteristics of the image of an object formed by a concave lens. The person has accurately drawn the principal axi
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