Solve the following examples (numerical problems):
A Wire carries a current of 0.1 A. Calculate the charge passing through the cross section of the wire in two minutes.

A wire carries a current of 0.3 A. Calculate the charge passing through the cross section of the wire in two minutes.

Solve the following examples (numerical problems): An electric charge of 15 C passes through the cross section of a wire in one minute. Find the current through the wire.

Solve the following examples (numerical problems): A current of 0.1 A passes through a copper wire for 40 seconds. Find the charge flowing through the cross section of the wire during this time and the number of electrons carrying it. (The charge on an electron, q= -1.6 times 10^(-19) C)

Solve the following examples: (numerical problems) A person travels a distance of 72 km in 4 hours. Calculate the average speed in m/s .

A wire carries a current of 0.1 A. Find the time interval during which a charge of 5 C passes through the cross section of the wire.

Solve the following examples/ numerical problems. Find the heat produced in joule if a current 0.1 A is passed through a coil of resistance 50 ohm. for two minutes . Keeping other conditions the same if the length ofthe wire is reduced 1/4 th of the original length ( by cutting the wire). What will be the heat produced?

Solve the following examples/ numerical problems. An electric bulb is connected to a source of 250 volts. The current passing through it is 0.27 A. What is the power of the bulb?

Solve the following examples/ numerical problems. A bulb of 40 w is connected across a source of 220 v. Find the resistance of the bulb.