Why \(220 \mathrm{~V}\) AC is more dangerous than \(220 \mathrm{~V}\) DC?

Why \(220 \mathrm{~V}\) AC is more dangerous than \(220 \mathrm{~V}\) DC?
  1. The DC attracts
  2. Peak voltage for \(\mathrm{AC}\) is much larger
  3. The body offers less resistance to AC
  4. Due to some other reason

Solution

Rms value of AC, \(V_{\mathrm{rms}}=220 \mathrm{~V}\) Peak value of AC, \(V_0=\sqrt{2} V_{\text {rms }}=\sqrt{2} \times 220=311 \mathrm{~V}\) \(V_{D C}=220 \mathrm{~V}\) Since, peak value of \(220 \mathrm{~V} \mathrm{AC}\) is \(311 \mathrm{~V}\) which is much more than 220 DC. Hence, \(220 \mathrm{~V}\) AC is more dangerous than \(220 \mathrm{~V}\) DC.

Asked in: AP EAMCET 2020 (17 Sep Shift 1)

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