MCQ

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Using the circuit given below, state which of the following statement is correct? img $..............$

• A
  When $S_1$ and $S_2$ are closed, lamps $A$ and $B$ are lit. $2^2$
• B
  With $\mathrm{S}_1$ open and $\mathrm{S}_2$ closed $,A$ is lit and $B$ is not lit.
• ✓
  With $S_2$ open and $S_1$ closed $A$ and $B$ are lit.
• D
  With $\mathrm{S}_1$ closed and $\mathrm{S}_2$ open, lamp $A$ remains lit even if lamp $B$ gets fused.