State PCS PYQPrelims 2025

BPSC – Combined Competitive Examination · প্রশ্ন 130

Which device protects equipment from electrical damage due to excess current?

  1. Fuse
  2. Generator
  3. Motor
  4. Current controller
উত্তর দেখান ও ব্যাখ্যা

উত্তর: (A) Fuse

ব্যাখ্যা

A fuse is a safety device with a low-melting wire that cuts off excess current.

  • (A) সঠিক

    Correct: a fuse melts and breaks the circuit when current exceeds a safe limit.

  • (B) ভুল

    Wrong: a generator produces electricity.

  • (C) ভুল

    Wrong: a motor converts electrical to mechanical energy.

  • (D) ভুল

    Wrong: not the standard safety device.