Electrical power P is given by the expression `P = (Q xx V) div` time.
Express the power P in terms of current and resistance explaining the meaning of symbols used there in.

Electrical power P is given by the expression P = (Q xx V) div time. What do the symbols Q and V represent ?

Write an expression for calculating electrical power in terms of current and resistance

Write an expression for calculating electrical power in terms of current and resistance.

Write an expression for the force due to gravity on a body of mass m and explain the meaning of the symbols used in it.

Write an expression connecting the resistance of a wire and specific resistance of its material. State the meaning of the symbols used.

Express 0.bar(5) in the form of (p)/(q) .

The resistance across P and Q in the given figure is

(a) Define Electric power. An electrial device of resistance R is connected across a source of voltage V and draws a current I. Derive an expression for power in terms of current and resistance. (b) Tow electric bulbs rated 100W , 220V and 60W, 220V are connected in parallel to an electric mains of 220V . Find the current draw by the bulbs form the mains.

Express 0.bar(17) in the form of (p)/(q) .

Express 4.bar(163) in the form of (p)/(q) .