Capacitor Discharge Quiz

What is the initial voltage across the capacitor before discharging begins?

• 5 volts

• 12 volts

• 24 volts

• 57 volts

What is the resistance value of the resistor used in the circuit?

• 67 k ohm

• 57 k ohm

• 47 k ohm

• 77 k ohm

What is the capacitance value of the capacitor used in the circuit?

• 670 microfarad

• 370 microfarad

• 470 microfarad

• 570 microfarad

What is the formula for calculating the time constant in an RC circuit?

• R - C

• R + C

• R / C

• R * C

After one time constant, what percentage of the initial voltage remains across the capacitor?

• 25%

• 12%

• 36.8%

• 50%

What is the voltage across the capacitor after 20 seconds?

• 6.72 volts

• 5.66 volts

• 7.89 volts

• 4.41 volts

How does the voltage across the capacitor after 20 seconds compare to the voltage after one time constant?

• It is higher

• It is lower

• It is the same

• It is zero

How many time constants are typically considered for a capacitor to be fully discharged?

• Five

• Six

• Three

• Four

What is the total time taken for the capacitor to be considered fully discharged?

• 26.8 seconds

• 53.6 seconds

• 80.4 seconds

• 134 seconds

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