Question

What is duty cycle?

(a) ratio of time on to time off

(b) ratio of time off to time on

(c) ^1⁄2 × (ratio of time on to time off)

(d) ^1⁄2 × (ratio of time off to time on)

The question was posed to me in an interview for internship.

My query is from Generation of VSB in section SSB Modulation of Analog Communications

Answer 1

The correct option is (a) ratio of time on to time off

Best explanation: Duty cycle is the fraction of time in which the system is active. It can also be defined as the ratio of time on to time off of a system. At times, duty cycle, expressed as percentage, is the ratio of time on to sum of time on and time off.