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Q. Define: rms value of AC.
RMS value of a.c.
The rms value of alternating current is described as that value of the steady current which when passed through a resistor for a given time will generate the same amount of heat as generated by an alternating current when passed through the same resistor for the same time.
Each plate of a parallel plat capacitor has area 15 cm 2 and is being charged. The time rate of variation of electric field between the two plates of the capacitor is 12.6 x 10 9
Specific heat of a gas is numerically equivalent to the amount of heat essential to raise the temperature of unit mass of gas by 1 0 C. In order to raise the temperature of unit ma
Which of the subsequent represent the two kinds of basic (single-concept) electric potential problems?
Dispersion and Impure Spectrum: Dispersion : The phenomenon due to which a polychromatic light splits into component colours, when passed through a prism is called 'dispersion
A particle executes linear some with an amplitude if 2 cm.when the particle is at 1cm from the mean position the magnitude of its velocity is equal to that of its acceleration.Then
why raise in ppotential is taken as positive
A person is tasked with creating a ray diagram to resolve the characteristics of the image of an object formed by a concave lens. The person has accurately drawn the principal axis
An engineer is making an estimate for a home owner. This owner has a small stream (Q = 1.4 cfs, T = 40°F) that is located at an elevation H = 34 ft above the owner's residence. The
Basic principles of spectrophotometry: An absorbance spectrophotometer is an instrument that measures the fraction of the incident light transmitted through a solution
A ray of light falls on a glass slab of refractive index u.if the reflected and refracted rays are mutually perpendicular to each other,find the angle of incidence. Ans) let i b
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