Wednesday
August 27, 2014

Homework Help: Physics

Posted by Sandhya on Saturday, May 23, 2009 at 6:04am.

A 12 V battery is connected to 5 mega ohm resistor and a 6 micro farad capacitor and an open switch. After how many seconds will the voltage across the resistor reach 9 V?
Suppose the battery is replaced by 12 V ac with a frequency of 60 Hz.Calculate the Irms in the circuit

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