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Q. Compute the resistance of the filament of a 100W, 220 V electric bulbs. Power P = V 2 /R Resistance R = V 2 /P = (220 X 220)/ 100 = 484 ohm.
What is a thin prism? Write the mathematical expression for deviation produced by a thin prism.
Rectifier: Rectifier is a device that converts all alternating current or voltage into direct current or voltage is known as rectifier
The rate of modification of thermo emf with the change in the temperature of the hot junction is known as thermoelectric power.
The ordered arrangements of radiations according to wavelengths or frequencies are called as Spectrum. Spectrum may be divide in two parts Emission spectrum and Absorption spectrum
A galvanometer with a coil of resistance 120 ohm shows full scale deflection for a current of 2.5 mA. How will you change the galvanometer into an ammeter of range 0 to 7.5 A? Veri
why wouldn''''t you be electrocuted if you walked under an electric transmission line during a rainstorm?
An element exists in two solid phases (labelled P1 and P2). The standard molar entropies of P1 and P2 are 21.9 J mol -1 K -1 and 23.3 J mol -1 K -1 respectively. The
to draw v-t graph with variable retardation
For a parallel-plate capacitor with plate area "A" and plate separation "d", the capacitance is proportional to which of the following? a) A divided by d squared b) A tim
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