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A simple electric circuit, where current is represented by the letter i. The relationship among the voltage (V), resistance (R), and current (I) is V=IR; this is called as Ohm''s Law.An electric current is a flow of electric charge by an electrical conductor. Electric charge flows when there is voltage present across a conductor.In electric circuits this charge is often carried by moving electrons in a wire. It can also be carried by ions in an electrolyte, or by both ions and electrons like as in a plasma.The SI unit for measuring an electric current is the ampere, which is the flow of electric charges by a surface at the rate of one coulomb per second. Electric current can be measured by using an ammeter.Electric currents cause many effects, notably heating, but also induce magnetic fields, which are widely used for inductors, motors, and generators.
It is based on the principle that conductivity of a semiconductor enhances with increase in the intensity of incident light. In this, a thin layer of some semiconductor (as
what is capillary laws
give me full detail about not gate i.e its logic symbol, truth table etc
what is friction force? why does opposes the motion?
Dirive an expretion for low of succecive disintigretion
uses of preset inductor
The capacitors can be classified on the basis of nature of value, type of dielectric material used and polarity. On the basis of nature of value: Fixed value capacitor
Working of Compound Microscope: The object under examination is placed in front of the objective. The objective forms it's real and inverted image with in the focal length of t
Given below are two electric circuits A and B Measure the ratio of power factor of the circuit B to the power factor of circuit A.
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