What is the differance between negative dc voltage and positive dc voltage because some circuit uses -24,-5,-12,- 15,volt dc supply
10 37202Post New eLab Interview Questions
Which functions in perl allows you to include a module file. State their differences.
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Consider earth's equator is covered with a measuring tape touching the ground such both the ends touch each other. if the tape is lifted 1 meter from the ground, what would be the distance between two ends of tape?
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