A wave-trap is used at the termination of a HVAC overhead line to a station switchyard to

prevent the transformer magnetising harritonics from reaching the overhead line

damp the incoming surge waves from the overhead lines

attenuate sub-harmonic oscillations

provide for carrier communication

A wave-trap is used at the termination of a HVAC overhead line to a st

1.	A wave-trap is used at the termination of a HVAC overhead line to a station switchyard to
A.	prevent the transformer magnetising harritonics from reaching the overhead line
B.	damp the incoming surge waves from the overhead lines
C.	attenuate sub-harmonic oscillations
D.	provide for carrier communication
Answer» E.