An H.R.C. fuse is
A. A ceramic body having metal and caps
B. A wire of platinum
C. A heavy cross-section of copper or aluminium
D. A ceramic tube having carbon rod inside it
Answer: Option A
Solution (By Examveda Team)
H.R.C. stands for High Rupturing Capacity.This means the fuse can safely interrupt very high fault currents.
Fuses are designed to protect electrical circuits from overcurrents.
Option A is correct: H.R.C. fuses typically have a ceramic body for insulation and heat resistance, and metal end caps to connect it to the circuit.
Option B is incorrect: Platinum is expensive and not typically used in fuses.
Option C is incorrect: A heavy cross-section of copper or aluminum would carry a lot of current without blowing, defeating the purpose of a fuse. Fuses need a specifically designed element that melts.
Option D is incorrect: Carbon rods are generally used in resistance applications, not as fuse elements in H.R.C. fuses. Also, carbon has a relatively high resistance, unlike fuse elements that need a very low resistance.
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An HRC fuse, or High Rupturing Capacity fuse, is designed to handle high fault currents without exploding or causing damage to the surrounding equipment. HRC fuses are known for their ability to protect electrical circuits by breaking the circuit when the current exceeds a specific threshold. it has ceramic body and with metal caps