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August 30, 2014

Homework Help: physics

Posted by confused on Friday, July 16, 2010 at 12:13pm.

1. If the voltage impressed across a circuit is constant but the resistance increases by a factor of 15. By what factor does the current change?
2. If the resistance of a circuit remains constant while the voltage across the circuit decreases by a factor of 12, by what factor does the current change?
3.A diode converts AC to pulsed DC. What electric device smooths that pulsed DC to a smoother DC?

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