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Explain Electricity and static electricity
Electricity - study of stationary (static) or moving charges
Static Electricitiy (Electrostatics) - electric charges at rest
Two types of charges: (i) negative (electrons, negative ions);
(ii) positive (protons, positive ions)
(a) Two55 g ice cubes are dropped into300 g of water in a thermally insulated container. If the water was initially at 25°C, and the ice came directly from a freezer at -15°C, what
A device which changes light energy into electrical energy is known as photoelectric cell. It is also known as photocell or electric eye.
A positively-charged subdivision is moving southward in a downward-directed uniform magnetic field. The magnetic force is the merely force if any acting on the particle. Throughout
It is an instrument used to view pure spectrum. It makes dispersion without deviation with the help of n crown prisms and (n - 1½ flint prisms alternately arranged in a tabular str
Grandfather paradox: A paradox proposed to discount time travel & revel why it violates causality. Say that your grandfather constructs a time machine. Currently, you employ h
Mass of the system is same. since, p=mv momentum remains same
What is Potential Gradient Magnitude of electric field at a point on an equipotential surface equal's rate of alter of potential, ΔV, with distance Δx, as point moves perpendic
investigatory poject class 12
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.
Describe the term amorphous solids. Amorphous solids: Solids along with particles not arranged in an ordinary fashion. They have merely short range order or still the partic
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