HomeLearn Fast select Course
Show Unit/ChapterChange UnitChange SubjectLast Menu
NEET-XII-Physics

P1 year:2019

with Solutions - page 2
Qstn# 23 Prvs-QstnNext-Qstn
  • #23
    Which of the following acts as a circuit
    protecting device?
    (1) Conductor
    (2) Inductor
    (3) Switch
    (4) Fuse
    digAnsr:   4
    Ans : ( 4 )
    Sol. Fuse wire has less melting point so when
    excess current flows, due to heat produced
    in it, it melts.