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Measurement of length:
If the Zeroth division of the head scale does not coincide with the index line the Screw gauge has Zero error.
If the Zeroth division of the head Scale is below the index line of the pitch Scale, the error is said to be +ve and correction is negative. If the Zeroth division of the head scale is above the index line of the pitch scale, the error is said to be -ve and correction is positive. The Diameter of your pencil and a given pin is measured with a screw Gauge.
In some screw gauges, the Zero error can be eliminated by adjusting the position of the stud (S ).
Same units are used for P.S.R. and L.C.
The last column in finding the diameter of a bob in the tabular form is P.S.R + (C.H.S.R X L.C). Vernier Callipers and Screw Guage are Mechanical Devices.
The least count of an ordinary scale is 1 mm.
To hold the marble tightly between S and S , we used by rotating the Milled head M.1
properties of low and high resistive materials
Lenz's law (H.F. Lenz; 1835): An induced electric current always pass in such direction that it opposes the change generating it.
standard dimensions of a tanker truck for storage of crude oil ... metion its length , siameter, thickness of insulation
Phase in sinusoidal functions or in waves has two different, but closely related, meanings. One is the initial angle of a sinusoidal function at its origin and is sometimes called
With the aid of a diagram, explain why the use of long narrow crystals is not optimal for spatial resolution as you move away from the centre of the field-of-view. Is the degradati
Depending on the material of the resistance element, resistors are classified into linear resistors and non linear resistors. Majority of the resistors used in electronic circuits
with surface charge density sigma
A radioactive substance has a half life of 1 min. If one nuclei decays now , when will be next decay????
Write down a short note on the discovery of neutron. Show the uses of radioisotopes.
why a metal disc is thrown up when it is placed on the top of an electromagnet is the current is switched on?
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