The power factor is a measure of the phase difference between voltage and current and is expressed as the() of the phase angle.
- Asine
- Bcosine
- Ctangent
- Dcotangent
The power factor is a measure of the phase difference between voltage and current and is expressed as the() of the phase angle.
1、The power factor at which a paralleled
The power factor at which a paralleled AC generator operates is usually adjusted by the ().Aconnected loadBprime mover speedCfield excitationDgenerators rated voltage
2、Magnetic dip is a measurement of the a
Magnetic dip is a measurement of the angle between the().Ageographic pole and the magnetic poleBlubber's line and true northChorizontal and the magnetic line of forceDcompass heading and the magnetic heading
3、()is a measure of the market value of
()is a measure of the market value of all goods and services within the boundaries of a nation.AGNPBGDPCFDIDMNC
4、●Load factor a of the hash table is ap
●Load factor a of the hash table is approximately (66) .A0.54B0.35C0.28D0.71
5、The pitch of a propeller is a measure
The pitch of a propeller is a measure of the().Aangle that the propeller makes with a free stream of waterBangle that the propeller makes w...
6、The unit of electrical power is the __
The unit of electrical power is the _____.AampereBkilovoltCwattDfarad