CONCEPTS OF CIRCUIT THEORY

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What is electricity?
How electricity can be explained with the help of modern electron theory?
How a body is electrically charged and what are the units of charge?
What is electric potential and electric current?
What are resistance, resistivity, conductance, and conductivity of a conductor and their units?
How emf is different from potential difference?
What are Ohm’s law and its applications?
How temperature affects the resistance of metals, alloys, semiconductors, and electrolytes?
How electric power is different to electrical energy?
What are the special units of energy when it is in the form of mechanical, electrical, and heat energies?
What is the effective value of resistance when resistors are connected in series, parallel, or series–parallel combinations?
What are the applications of series and parallel circuits?

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