Question

what is bimetlic strip

Answer 1

Answer:

a strip consisting of two metals of different coefficients of expansion welded together so that it buckles on heating: used in thermostats, etc

Answer 2

$\huge\bold\red{HELLO!}$

$<marquee>ItzHarsh★</marquee>$

a temperature-sensitive electrical contact used in some thermostats, consisting of two bands of different metals joined lengthwise. When heated, the metals expand at different rates, causing the strip to bend.