১৬০৫২
The capacitive reactance of a circuit is ………. frequency.
উত্তর
inversely proportional to
১৬০৫৩
Pure semiconductors are poor conductor because -
উত্তর
all valence electrons are in electron pairs
১৬০৫৪
The deciding factor in the selection of a d.c. motor for a particular application is its ……… characteristic.
উত্তর
speed-torque
১৬০৫৫
For the interruption of high voltage and low current, the circuit breaker prefered is -
উত্তর
air blast CB
১৬০৫৭
The transient voltage that appears across the contacts of the circuit breaker at the instant of arc extinction is known as -
উত্তর
re-striking voltage
১৬০৫৮
A wave-trap is used at the termination of a HVAC overhead line to a station switchyard to -
উত্তর
provide for carrier communication.