Charge on $\alpha $ - particle is
$4.8 \times {10^{ - 19}}\,C$
$1.6 \times {10^{ - 19}}\,C$
$3.2 \times {10^{ - 19}}\,C$
$6.4 \times {10^{ - 19}}\,C$
Discuss the types of electric charges by rubbing appropriate non-conductors. Which scientists gave their names ?
What are positive and negative charges ? Which type of charge does electron have ?
Discuss the method of charging of two spheres by without contact method.
What are called electrically charged and electrically neutral bodies ?
Why can we say that charge of any body is always an integral multiple of $'e'$ ?