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Determine about the rod in magnetic coil
the rod is placed in a magnetic coil deliver alternating current, the rod suffers a change within length for each half cycle of alternating current. It is, the rod vibrates along with a frequency twice which of the frequency of A.C. The amplitude of vibration is generally small, but when the frequency of the A.C. coincides along with the natural frequency of the rod, in that case the amplitude of vibration increases because of resonance.
Define the Critical Angle and Fiber Optics When light is traveling in an optically dense medium, like water, and comes to the boundary of a less dense medium, like air, there a
Q. A rubber ball is dropped to the floor. What force act on the ball to bounce? Does the Earth "bounce" too? Ans. The force of the Earth pushing back on the ball causes
Lenz's law (H.F. Lenz; 1835): An induced electric current always pass in such direction that it opposes the change generating it.
A charge of 111 pC is uniformly distributed throughout the volume of an isolated sphere of diameter 40 cm. Calculate the electric field at the following distances from the centre o
Linear circuit :- It can be described as one, whose parameters are constant i.e. they do not change with voltage or current.
yes.fricton is working always opposite to the motion
sir, I am in class xii and i have to submit a project:working model on any topic in physics. so please help me figure this out
Human Eye: It is spherical in shape, diameter about 2.5 cm, having of three layers. a) Sclera b) Choroid
why wouldn''''t you be electrocuted if you walked under an electric transmission line during a rainstorm?
What is Equipotential Surface Equipotential Surface - surface of constant potential. No work is required in moving charges with such a surface. Electric fields are perpend
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