Voltage and Current - Technical MCQs

Q1:

A normally open push-buttonswitch can carry current when not pushed.

A True

B False

ANS:B - False

Push button (PB) switch it's state change when we push it. It is two types normally closed (NC) and normally open (NO). In case of NO we push the button to close the circuit (Open. To. Close).

In case of NC we may push the button to brake the circuit (Close. To. Open).

From the above while pressing the button it's state is changed.