Which type of switch can be used as automatic switch to detect the level of water in a water tank and perform suitable switching action?

DPDT (Double pole double throw) Switch

Which type of switch can be used as automatic switch to detect the lev

1.	Which type of switch can be used as automatic switch to detect the level of water in a water tank and perform suitable switching action?
A.	Flow Switch
B.	Float switch
C.	DPDT (Double pole double throw) Switch
D.	Push button Switch
Answer» C. DPDT (Double pole double throw) Switch