MCQ
$A$ is false, but $R$ is true.
Assertion : If $10$ bulbs are connected in series and one bulb fused, then the remaining $9$ bulbs will not work. Reason : Bulb of higher wattage will give less bright light.
  • A
    Both $A$ and $R$ are true, and $R$ is correct explanation of the assertion.
  • Both $A$ and $R$ are true, but $R$ is not the correct explanation of the assertion.
  • C
    $A$ is true, but $R$ is false.
  • D
    $A$ false but $R$ is true

Answer

Correct option: B.
Both $A$ and $R$ are true, but $R$ is not the correct explanation of the assertion.
When bulbs are connected in series and out of that one get fused then due to this there will be no continuity in the circuit $($or resistance offered by fused bulb is infinite$)$ and no current will flow through the remaining bulbs.
For two statements are given $-$ one labelled
​​​​​​​Assertion $(A)$ and the other labelled
Reason $(R)$. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below :

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