13. A certain precision 1 microfarad capacitor has very high resistance material used between its conducting surface. The capacitor is charged to 1 volt at t = 0 and disconnected from the source. It is found that the voltage drops to 0.80 v in 1 hour. What is the insulator resistance? A. 24 GO B. 20 GO C. 16 GN D. 12 GN

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solve the two following question
REE - Sept. 2008
13. A certain precision 1 microfarad capacitor has very high resistance material used between its
conducting surface. The capacitor is charged to 1 volt at t = 0 and disconnected from the
source. It is found that the voltage drops to 0.80 v in 1 hour. What is the insulator resistance?
A. 24 GN
B. 20 GN
C. 16 GN
D. 12 GN
14. A 100 µF capacitor charged to 24 V, is connected with a 200 µF uncharged capacitor, a 1 k.
resistor and a switch. What is the current 0.1 sec after the switch is closed?
A. 5.36 mA
B. 14.56 mA
C. 8.83 mA
D. 4.88 mA
Transcribed Image Text:REE - Sept. 2008 13. A certain precision 1 microfarad capacitor has very high resistance material used between its conducting surface. The capacitor is charged to 1 volt at t = 0 and disconnected from the source. It is found that the voltage drops to 0.80 v in 1 hour. What is the insulator resistance? A. 24 GN B. 20 GN C. 16 GN D. 12 GN 14. A 100 µF capacitor charged to 24 V, is connected with a 200 µF uncharged capacitor, a 1 k. resistor and a switch. What is the current 0.1 sec after the switch is closed? A. 5.36 mA B. 14.56 mA C. 8.83 mA D. 4.88 mA
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