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1124 questions found
Select the correct statement from the following.
- Matter can only exist in one of four states.
- Matter can exist in only two basic states.
- Matter can only exist in one of three states.
in another question we had 3 states now we have 4?The fourth is plasma but why?
Which of the following 2 points are equal?
- -32 degrees C and -0 degrees F.
- 40 degrees C and 40 degrees F.
- -40 degrees C and -40 degrees F.
why?
If you apply this waveform to this circuit, what is the output across the capacitor?

- Pulsed negative
- Pulsed positive
- Zero
can someone explain?
Formation of white crystals of potassium carbonate on a properly serviced Ni-cd battery indicates
- over charged.
- full charged.
- under charged.
why old batteries wich were too much discharged produce white crystas?
A starter generator has a
- low resistance series field and a low resistance shunt field.
- low resistance series field and a high resistance shunt field.
- high resistance series field and a low resistance shunt field.
can someone explain pls?