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A simple jack screw
Bore a hole by a block of wood to fit a carriage bolt. Choose a bolt that is threaded nearly its whole length. Sink the head of the bolt in the wood, so that it is flush with the surface and nail a piece of board in excess of it. Over the projecting threads place a nut, then a washer and short piece of metal pipe. The in diameter of the pipe must be slightly larger than the bolt. By turning the nut with a wrench the device will act as a powerful lifting jack
simple jack screw
Characteristics of resistance:- Similar amount of current passed by each resistance i.e. I = I1 = I2 = I3 = I4 ........ The sum of potential difference across individual res
Refraction of Light: When a ray of light in single medium meets the surface of second medium, a part of the ray enters in the second medium; this phenomenon is called as refrac
The length of a simple pendulum is about 100cm known to have a accuracy of 1mm.Its period of oscillation is 2s determined by measuring the time for 100oscillations using a clock of
A centrifugal fan is used to pump air. The fan rotor is 1 ft in diameter, and the blade spacing is 2 in. The air enters with no angular momentum and exits radially with respect to
applications of nicol prism?
Write down the electromagnetic wave equation in free space, in terms of vector and scalar potential.
Method of Making magnet: There are two types of making magnets. Single Touch Method: a. In this method a bar magnet is rubbed on a hard steel bar. b. The magnet is k
What are the Special features and Applications of carbon dioxide laser? Special features and Applications of carbon dioxide laser: The efficiency of this Laser is extremely
Neutron is a fundamental particle which is necessary constituent of all nuclei except that of hydrogen molecule. It was discovered by Chadwick. (1) The charge of neutron: It is
michelson interferometer
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