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Showing posts with label ERROR. Show all posts

A charged particle having drift velocity of 7.5× 10^-4 m/s in an electric field of 3×10^-10V/m, has mobility in m^2 V^-1 s^-1

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 [NEET-2020 ] a. 2.25×10^15      b. 25×10^6      c. 2.5×19^-6        d. 2.25 ×10^-15

IN AN EXPERIMENT, THE PERCENTAGE ERROR OCCURRED IN THE MEASUREMENT OF A PHYSICAL QUANTITIES ‘A’, ‘B’, ‘C’ & ‘D’ ARE 1%, 2%, 3% & 4 % RESPECTIVELY THEN THE MAXIMUM PERCENTAGE OF ERROR IN THE MEASUREMENT OF ‘X’,

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 WHERE, \[X= \frac{A^{2}B^{\frac{1}{2}}}{C^{\frac{1}{3}D^{3}}}\] UNIT OF THERMAL CONDUCTIVITY IS [NEET 2019] a. J m k -1    b. J m -1 k...
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In a potentiometer circuit, a cell of EMF 1.5 V gives a balance point at 36 cm length of wire. If another cell of EMF 2.5 V replaces the first cell, then at what length of the wire, does the balance point occur?

In a potentiometer circuit, a cell of EMF 1.5 V gives a balance point at 36 cm length of wire. If another cell of EMF 2.5 V replaces the fi...