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Define: Electric potential.
The electric potential in an electric field at a point is define as the amount of work done in moving a unit positive charge from infinity to that point against the electric forces.
Watt; W (after J. Watt, 1736-1819): The derived SI unit of power, explained as a power of 1 J acting onto a period of 1 s; thus it has units of J/s.
An iron ring of mean diameter 10 cm is uniformly wound with 2000 turns of wire. When a current of 0.25 A is passed by the coil a flux density of 0.4 T is set up in the iron. F
A transformer has 600 primary turns and 150 secondary turns. The primary and secondary resistances are 0.25 and 0.01 respectively and the corresponding leakage reactances are 1.0 a
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if 36C of charge pass through a wire in 4 seconds what current is it carrying
Electric Field of an Oscillating Charge An electric charge is executing simple harmonic motion, and the animation displays the electric field lines around it.
describe the phenomenon of nicol prism activity
Places where friction occurs Locate the places on several mechanical devices where parts rub together. Roller skates, pulleys and the wheels of toys often required oil. Try to
Calculates the total magnetic flux in ring
(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
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