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Q. Compare the emf and the potential difference. Comparison of emf and potential difference
1. The difference of potentials among the two terminals of a cell in an open circuit is called the electromotive force (emf) of a cell. The difference in potentials among any two points in a closed circuit is called potential difference.
2. The emf is independent of exterior resistance of the circuit whereas potential difference is proportional to the resistance between any two points.
Hookes Law Hooke's equation actually holds (to some extent) in several other situations whereas an elastic body is deformed, like as wind blowing on a tall building, a musician
Containers from used electric bulbs Used electric light bulbs can be made into containers that will substitute for flasks, beakers, test tubes and same devices. With reasonable
KINEMATICS II 1. The concept of the derivative of the function is exceptionally important. The derivative shows that how fast the function changes when its argument is changed.
The characteristics of substance by virtue of which it opposes the flow of current by it, is called as the resistance.
Advantages of fibre optics: Fibre-optic communications systems have a large bandwidth, e.g. 1 GHz. The bandwidth is the maximum rate at which information can be transmitted.
Shear force diagram (SFD) and bending moment diagram (BMD) are a graph of shear force / bending moment plotted against the horizontal axis x, indicating the shear force / bending m
Q. Give any three utilizes of secondary cells. i) The secondary cells are rechargeable. ii) They have extremely low internal resistance. iii) They are able to deliver a
Define the formula of Wien law. WIEN'S LAW: λ m T = constant Here: λ m = Peak Wavelength (m) T = Surface Temperature (K) Constant = 2.898 x 10 -3 mK It
Define the Wave Nature of Sound Sound is called a longitudinal wave because the vibrations are in the same direction as the motion and speed of the wave. This is most easily pi
Differentiate between teporary and permanent magnet
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