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It is worth noting that positive charges have lines of forces moving out from them and negative charges have lines of forces entering them.for attraction of charges one charge must have force line leaving and the other entering, since they must be opp. Like charges will repel on the other side since both the charges will have the similar type of lines of forces and will not enter or leave the mutual system of charges at the same time. It is also worth mentioning that closer the lines of forces stronger is the charge. The force lines are much like the magnetic field lines but they exist indepenently.
Because force=dp/dt and force=0 in first law of motion => dp/dt=0 => p=const. or linear momentum is conserved.
Explain the working of Transformers A transformer often uses a core, which looks like a square donut of iron, to change the voltage applied to the primary coil to a new larger
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How is Specific Gravity defined? Specific Gravity, SG, is a unit less quantity that provides the scientist or engineers an idea of how dense a substance is compared to water. T
formula for maximum height.
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When a hard element is suspended from an axis and made to oscillate about that, then it is known as compound pendulum. C = Initial position of center of mass C' = Position of
Electrons travelling at right angles to a magnetic field experience a force of 8.3 x 10 -13 N when they are in a magnetic field of 6.2 x 10 -1 T. How fast are the electrons
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a report on electrostatic shielding
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