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Consider the circuit shown in fig. The current through the $10\,\Omega $ resistor when switch $'s'$ is $(a)$ open $(b)$ closed.
  • A$\frac{1}{{10}}A,\frac{2}{{10}}A$
  • B$\frac{3}{{10}}A,\frac{1}{{10}}A$
  • C$\frac{1}{{10}}A,\frac{3}{{10}}A$
  • D
    None
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