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If the frequency of an AC source is 50 Hz, what is the time period of the AC sig

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Question: If the frequency of an AC source is 50 Hz, what is the time period of the AC signal? (2019)

Options:

  1. 0.02 s
  2. 0.01 s
  3. 0.5 s
  4. 1 s

Correct Answer: 0.02 s

Exam Year: 2019

Solution: 

The time period (T) is the reciprocal of frequency (f). Therefore, T = 1/f = 1/50 Hz = 0.02 s.

If the frequency of an AC source is 50 Hz, what is the time period of the AC sig

Practice Questions

Q1
If the frequency of an AC source is 50 Hz, what is the time period of the AC signal? (2019)
  1. 0.02 s
  2. 0.01 s
  3. 0.5 s
  4. 1 s

Questions & Step-by-Step Solutions

If the frequency of an AC source is 50 Hz, what is the time period of the AC signal? (2019)
  • Step 1: Understand that frequency (f) is how many cycles occur in one second. In this case, the frequency is given as 50 Hz.
  • Step 2: Know that the time period (T) is the time it takes to complete one full cycle of the AC signal.
  • Step 3: Use the formula that relates time period and frequency: T = 1/f.
  • Step 4: Substitute the frequency value into the formula: T = 1/50 Hz.
  • Step 5: Calculate the time period: T = 0.02 seconds.
  • Frequency and Time Period – The relationship between frequency and time period, where the time period is the inverse of frequency.
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