Which graph could correspond to a capacitor charging? top graph bottom graph Whe

Question

Which graph could correspond to a capacitor charging? top graph bottom graph When a capacitor starts to "charge", the capacitor will rapidly increase in the voltage across it but slow down its increase as time passes True False Accepted characters numbers, decimal point markers (period or comma), sign indicators (middot), spaces (e g. as thousands separator. 5 000). "E" or "e" (used in scientific notation) For example: {1 + 1} is a valid whereas (1 + i) is not. (0 + 9i) is valid whereas {9} is not. It a resistor has a value of 500 ohms and a capacitor has a value of 2 microfarads, what is the value of the time constant: _ millisecond (pay attention to the unit).

Explanation / Answer

1. B bottom graph. charging happens following the equation: Q=q(1-exp(-t/RC)

2. True.

3. Time constant is: RC = 500*2*10^-6=10^-3 sec

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