Physics
The fundamental scientific principle in the operation of battery is

Oxidation-reduction
Dialysis
Acid-base interaction
Dissociation of electrolytes

ANSWER DOWNLOAD EXAMIANS APP

Physics
Which of the following events occurred first ?

Albert Einstein propounded the General Theory of Relativity
Max Planck unveiled the Quantum Theory
Marconi first tranmitted a wireless signal
Madame Marie Curie became the first woman Nobel Prize winner

ANSWER DOWNLOAD EXAMIANS APP