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- Decide whether the question is static GK, current affairs, polity, history, geography, or science.
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- Eliminate options that conflict with that fact.
Correct Answer: B
Correct Answer: B
Method / Topic: Physics
The correct option matches the accepted factual reference for this topic.
Short Explanation
Detailed Explanation
Correct Answer: B
Method / Topic: Physics
<table cellspacing="0" style="border-collapse:collapse; height:20px; width:85px">
<tbody>
<tr>
<td style="border-bottom:1px solid #44b3e1; border-left:none; border-right:none; border-top:1px solid #44b3e1; height:20px; vertical-align:top; white-space:normal; width:85px"><span style="color:#000000">A fuse is connected in series with an electrical circuit. When current exceeds the safe limit, heat produced in the fuse wire rises rapidly. Because the wire has a low melting point, it melts and opens the circuit before appliances or wiring are damaged. A fuse does not increase voltage, store charge, or reduce resistance to zero. Its purpose is protective: it interrupts an unsafe current and helps prevent overheating, fire, or equipment failure.</span></td>
</tr>
</tbody>
</table>
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Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake
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- Decide whether the question is static GK, current affairs, polity, history, geography, or science.
- Recall the exact fact or nearest anchor fact.
- Eliminate options that conflict with that fact.
Why is a fuse wire made from a material with a low melting point?
Explanation
Correct Answer: B
Method / Topic: Physics
The correct option matches the accepted factual reference for this topic.
Short Explanation
Detailed Explanation
Correct Answer: B
Method / Topic: Physics
<table cellspacing="0" style="border-collapse:collapse; height:20px; width:85px">
<tbody>
<tr>
<td style="border-bottom:1px solid #44b3e1; border-left:none; border-right:none; border-top:1px solid #44b3e1; height:20px; vertical-align:top; white-space:normal; width:85px"><span style="color:#000000">A fuse is connected in series with an electrical circuit. When current exceeds the safe limit, heat produced in the fuse wire rises rapidly. Because the wire has a low melting point, it melts and opens the circuit before appliances or wiring are damaged. A fuse does not increase voltage, store charge, or reduce resistance to zero. Its purpose is protective: it interrupts an unsafe current and helps prevent overheating, fire, or equipment failure.</span></td>
</tr>
</tbody>
</table>
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