Question

The period of a function is measured as?

(a) zero crossing of one cycle to zero crossing of next cycle

(b) positive peak of one cycle to positive peak of next cycle

(c) negative peak of one cycle to negative peak of next cycle

(d) all of the mentioned

The question was posed to me during an internship interview.

This is a very interesting question from Angular Relation of a Sine Wave in section Introduction to Alternating Currents and Voltages of Network Theory

Answer 1

Correct answer is (d) all of the mentioned

Easiest explanation: The period of a function is measured as zero crossing of one cycle to zero crossing of next cycle or positive peak of one cycle to positive peak of next cycle or negative peak of one cycle to negative peak of next cycle.