9 Animated Videos | 5 Structured Questions.
Electric Current Introduction
Find the current flowing in the tube.
Find the amount of charge and no. of e- through the wire.
Definition of Current Density, formula and derivation
Derivation and formula of Resistance and Resistivity, their relation
What is the percent change in resistance ?
Find the ratio of resistance for given ratio of length and radius of the wire.
Find the equivalent resistivity of the combinations.
Color codes of Resistors