[Solved] What does the duty cycle in PWM control on a Raspberry Pi? — Ans: The percentage of time the signal is ON during one cycle | Raspberry Pi

Raspberry Pi - PWM Output

What does the duty cycle in PWM control on a Raspberry Pi?

AThe percentage of time the signal is ON during one cycle

BThe speed at which the signal pulses repeat

CThe voltage level of the signal

DThe total duration of the PWM signal

Step-by-Step Solution

Solution:

Step 1: Understand duty cycle meaning
The duty cycle is the fraction of one cycle when the signal is ON (high).
Step 2: Differentiate from frequency
Frequency controls how fast cycles repeat, not how long signal stays ON.
Final Answer:
The percentage of time the signal is ON during one cycle -> Option A
Quick Check:
Duty cycle = ON time percentage [OK]

Quick Trick: Duty cycle = ON time percentage in each pulse [OK]

Common Mistakes:

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