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Maharashtra State BoardSSC (English Medium) 10th Standard

Answer the following questions based on the given graph. Identify which curve shows AC and DC. What is the frequency of AC and DC?

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Question

Answer the following questions based on the given graph.

  1. Identify which curve shows AC and DC.
  2. What is the frequency of AC and DC?
Numerical
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Solution

  1. Straight line: DC (Direct current)
    Curve: AC (Alternating current)
  2. Frequency = `1/"Time period"`
    ∴ AC = 1 Hz and DC = 0 Hz
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