A 20 Picofarad capacitor with a 1 Megohm resistor takes how long to charge?
- 100 microseconds.
- 20 milliseconds.
- 1 second.
sasna asking:
pls solve
Community Comments (1)
D
dimky Posts: 513 27.07.2013 / 13:31
Full Charge = 5 * Time constant
Time Constant = R * C = (20 / 10000000000000000) * 1000000 = 20 us
Full Charge = 5 * 20 us = 100 us
http://www.electronics-tutorials.ws/rc/rc_1.html
Time Constant = R * C = (20 / 10000000000000000) * 1000000 = 20 us
Full Charge = 5 * 20 us = 100 us
http://www.electronics-tutorials.ws/rc/rc_1.html
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