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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.
.how can we prove that sn=u+a(1/2)
Determine the moment of inertia with respect to the x axis for the shaded area shown (Figure 2) . The dimension is a = 2.00m
There are imaginary lines or path of the field in the given direction. The lines of force are assumed to make a closed path beginning from N pole and ending at S pole with no loss.
An organ pipe which is open at both ends resonates at its fundamental frequency. Neglecting any end effects, what wavelength is formed by this pipe in this mode of vibration i
A galvanometer with a coil of resistance 120 ohm shows full scale deflection for a current of 2.5 mA. How will you change the galvanometer into an ammeter of range 0 to 7.5 A? Veri
Longitudinal Waves: The traveling waves in which particles of the elastic medium vibrate about back and forth along the direction of propagation of waves are called longitudina
Q. What is a capacitor? Define: capacitance. i) A capacitor is a apparatus for storing electric charges. ii) The capacitance of a conductor is defined like the ratio of the
Two travelling sinusoidal waves are described by the wave functions Y 1 = 55.00 sin [π (4.00 x - 1200 t )] Y 2 =55.00 sin [π (4.00 x - 1200 t - 0.250)] Where x ,
uses of diode
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