A $μF40\ \mu\text{F}$ capacitor is charged by connecting it to a battery of emf 6.0 V. The initial charge on the capacitor is $Q_0$ . The capacitor is then discharged through a $kΩ250\text{ k}\Omega$ resistor. The time constant for the circuit is $T$ . Which statement is correct?

$T$ is $ms10\text{ ms}$ .

$Q_0$ is $μC24\ \mu\text{C}$ .

After a time $T$ the potential difference across the capacitor is $V2.2\text{ V}$ .

After a time $2 T$ the charge on the capacitor is $Q_0 e^{2}$ .

$T$ is $ms10\text{ ms}$ .

$Q_0$ is $μC24\ \mu\text{C}$ .

After a time $T$ the potential difference across the capacitor is $V2.2\text{ V}$ .

After a time $2 T$ the charge on the capacitor is $Q_0 e^{2}$ .

Fields and their consequences (A-level only)

Question 145

Markscheme

Fields and their consequences (A-level only)

Question 145

Markscheme

Fields and their consequences (A-level only)

Question 145

Fields and their consequences (A-level only) Questions

Fields and their consequences (A-level only)

Question 145

Fields and their consequences (A-level only) Questions