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A simple rotation machine
Secure a breast-drill or hand- drill like as the one shown in the diagram. Clamp a small screw eye or cup hook in the chuck of the drill. Join a 30 cm length of light string near the point end of a spike. Make a loop in the other end of the string and attach it to the screw eye in the chuck of the drill. Now rotate the drill progressively by crank. View how the centrifugal force affects the suspended spike
simple rotation machine
Q. What is direction of the current? The path of the magnetic field at the centre of a horizontal current-carrying loop of wire is straight downward. The magnetic field is affe
Drake equation (F. Drake; 1961) A technique of estimating the number of intelligent, technological species (that means, able to communicate along with other species) in existe
An alternating voltage given by v=100sin240t volts is applied across a coil of resistance 32 and inductance 100mH. Verify (a) the circuit impedance, (b) the current flowing,
(1) The first practical application for piezoelectric devices was sonar, first developed during worldwar1. Piezoelectric materials are as a source of ultrasonic waves. At sea, they
What is calculated constraint relation?
Positive charge on n-side of the junction Some of the free electrons move across the junction from n-type to p-type, leaving behind positive donor ions as they
Electromagnetism: If a straight wire carrying a current is formed into a circular loop, the magnetic field is as shown. The field may be deduced by taking elements of the
#question how i write a assignment about it..
Why different colours of white light travell with different speed in a glass prism,while they travell with same speed in air? Ans)Since in diffeernt medium frequecy remains const
Containers in Illustrations C and D are identical Each container is 3.25'w x 3.25'w x 8.4'l Total capacity of each container 88.725 cubic feet Each container is filled wi
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