Induction cup relay is operated due to changes in

Related MCQs

• Admittance relay is _______ relay.
• The torque produced in induction type relay (shaded pole structure) is
• Overheating of relay contacts or contact born out is due to
• The relay operating speed depends upon
• In order that current should flow without causing excessive heating or voltage drop, the relay contacts should
• Burden of a protective relay is the power
• A differential relay measures the vector difference between
• Interruption of large currents by relay requires
• relay is preferred for phase fault on short transmission line.
• The under voltage relay can be used for