What type of charge flows through an electric wire when it is connected in an electric circuit ?

Which of the following phenomena is an evidence for the motion of charge in daily life situations ?

In an electric cell

Name the scientist who proposed that metal conductors contain a large number of free electrons.

The arrangement of the positive ions in a metal conductor is called ………

The net charge flowing through a crosssection of a conductor in unit time is …………. when the conductor is in open circuit.

The equation for an electric current is ………

The S.I unit of electric current is ………

1 coloumb /1 second = ……………

Electrons in the conductor move with a constant average speed. This speed is called …………

The S.I unit of an electric charge is …………

Calculate the drift speed of an electron in a copper wire carrying a current of 1 A and cross sectional area A = ${10}^{-6}{m}^2[n=8.5\times {10}^{28}{m}^{-3}]10^\{-6\}m^2\backslash ,[n=8.5\backslash times10^\{28\}m^\{-3\}]$

Electric current can be measured by …………

An ammeter is always connected in ……… to the circuit

The magnitude of electric charge is ……………