The dots on the transformer symbol shown are called, and indicate

•  phasing dots, point that have the opposite polarity at the same moment in time.
•  phasing dots, point that have the same polarity at the same moment in time.
•  quadrature dots, points are 90o out of phase.

ChantalDimmer asking:
•  Please write your question here.

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To function, i.e. conduct, a junction diode made of silicon requires a forward bias of at least
•  0.2v
•  1.41v
•  1v

part66lt asking:
•  Please write your question here.

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Data is usually stored in
•  RAM.
•  ROM.
•  EEPROM.

josephedwinpugh asking:
•  I have found that other platforms have differing answers for this question. Surely the type of data has to be specified here? RAM is a scratchpad, volatile memory, and ROM is non volatile and permanent, for start up programming etc. Could someone help clarify it better? Or is it poor questioning?

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Air above Mach 0.7 is
•  compressible only when above the speed of sound.
•  incompressible.
•  compressible.

P-factor asking:
•  Air should not be take compressible Above Mach 1?
Someone can explain me? Thanks

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A ball is dropped from rest. What is its speed after 4 seconds? (Take g as 10m/s/s)
•  80m/s.
•  40m/s.
•  20m/s.

Bidan01 asking:
•  Please write your question here.

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