Reactive sparking is reduced by
•  interpoles.
•  compensating windings.
•  auxiliary windings.

iskandarazli asking:
•  why interpoles?

Community comments: 2

If the cross-sectional area of a conductor is doubled, with voltage constant, the current will
•  remain constant.
•  double.
•  halve.

iskandarazli asking:
•  anybody can help me explain about this?

Community comments: 1

When the trailing edge flap is extended
•  CP moves rearward.
•  the CP moves forward but the CG does not change.
•  the CP moves forward and the pitching moment changes to nose up.

ketkimapzoom asking:
•  Regarding the above question the CP moves forward in basic single engine aircraft and CP moves rearward in high speed aircraft where mach tuck happens so the question should specify it?

Community comments: 1

What is the slope between the points (3,1) and (9,3)?
•  1/3
•  3/1
•  2

trap2307 asking:
•  Why? Warum? Perché? Dlaczego? Почему? KāpÄ“c?

Community comments: 2

A capacitor is fully charged after 25 seconds to a battery voltage of 20 Volts. The battery is replaced with a short circuit. What will be the voltage across the capacitor after one time constant?
•  0 volts.
•  7.36 volts.
•  12.64 volts.

roja90 asking:
•  how to do this question ?
after one time constant voltage is 32.8%?//

Community comments: 3