switch

Statement below are true about limit switches except:- a. Limit switches is also called as contactless sensor b. Limit switches are mechanical position-sensing devices c. Limit switches are easy to maintain because the operator can hear the operation of the switch and can align it easily to fit the application. d. Limit switches is also robust. They can handle an inrush current 10 times that of their steady state rating.

7- What is the uses of circuit breaker?

d. reactor 77. Which is proportional to the frequency in hertz? a. the number of turns b. the type of material used c. the speed of the cutting action d. the size of wire used 78. The voltage rating of a capacitor is under one hour