Introduction to Voltage

A difference in electric potential at the ends of a wire provides the ‘electrical pressure’ needed to move charges (current).
Such flow of charge (current) exists as long as the electric potential difference persists.
For example, a common car battery provides an electric potential difference of 9 V (volts).
So basically: In summary, the term voltage is sometimes used to indicate the difference in electric potential.

Exercises

Exercise 1

Exercise-1 on Cicuit

Check your answers here: Solution to Cicuit Exercise-1

Exercise 2

Exercise-2 on Cicuit

Check your answers here: Solution to Cicuit Exercise-2

Exercise 3

Exercise-3 on Cicuit

Check your answers here: Solution to Cicuit Exercise-3

Exercise 4

Exercise-4 on Cicuit

Check your answers here: Solution to Cicuit Exercise-4



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Date of last modification: Summer , 2019