In which case/cases will the bulb glow considering that all other connections of electric circuit are…

In which case/cases will the bulb glow considering that all other connections of electric circuit are complete and working ? Figure
  1. Case (i) only
  2. Case (ii) only
  3. Cases (ii) and (iii)
  4. Case (iii) only

Solution

Case (iii) only

Asked in: CBSE

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