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It is an instrument which can detect/calculate very small electric currents. It is also called as moving magnet galvanometer. It has of three circular coils of insulated copper wire wound on a vertical circular frame made of nonmagnetic material as wood or ebonite. A small size magnetic compass needle is pivoted at the centre of the vertical circular frame. These needles go freely in a horizontal plane inside a box made of nonmagnetic substance. When the coil of the tangent galvanometer is include in magnetic meridian and current passes by any of the coil then the needle at the centre gets deflected and comes to an equilibrium position under the action of two perpendicular field: one because of horizontal component of earth and the other because of field set up by the coil because of current (B).
According to Eisenstein's quantum theory light propagates in the bundles of power, every packet being called as photon and possessing energy.
A spacecraft is moving relative to the earth An observer on earth finds that , according to her clock 3601s elapse between 1pm and 2pm on the spacecraft''s clock. what is the space
The process of apparent change in frequency (or wavelength) of the light because of relative motion among the source of light and the observer is known as Doppler's effect.
What do you mean by dispersion of light? Write down the expression for the deviation produced by a thin prism?
In a pool game a .17kg cue ball traveling at .75 m/s in the plus x direction hits a stationary eight ball. The eight ball moves off with velocity of .25 m/s at an angle of 37 degre
when dispersion is happening from a prism, the colors are separated out. do each of these colors move with different velocities to keep frequency constant? practically is it possib
Which gates are known as universal gates? Draw the circuit symbols of n-p-n and p-n-p transistor.
I have a circuit and using Kirchhoff''s second law I need to find the current across one of the battery. How should I do that?
two balls connected by massless string wherein the first ball A is confined to a plane surface with frection and the second ball B, due to the string’s passage through a small hol
What is nucleus? It is the type of an atom where whole mass of the atom is supposes to be concentrated. Or it is the central part of an atom which have proton and
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