Combination of Capacitor
Capacitance

165847 What is equivalent capacitance of circuit between points $A$ and $B$ ?

1 $\frac{2}{3} \mu \mathrm{F}$
2 $\frac{4}{3} \mu \mathrm{F}$
3 Infinite
4 $(1+\sqrt{3}) \mu \mathrm{F}$
Capacitance

165848 Four capacitors of capacitances $2 \mu \mathrm{F}, 3 \mu \mathrm{F}, 4 \mu \mathrm{F}$ and $x \mu F$ are connected to a battery of emf $6 \mathrm{~V}$ and of negligible internal resistance, as shown in the figure. If the ratio of the charges on $x \mu F$ and $4 \mu \mathrm{F}$ capacitances is $\frac{3}{8}$, then the value of $x$ is

1 2
2 5
3 3
4 8
Capacitance

165849 Four capacitors marked with capacitances and breakdown voltages are connected as shown in the figure. The maximum emf of the source, so that no capacitor breaks down is

1 $10.5 \mathrm{kV}$
2 $5.25 \mathrm{kV}$
3 $2.25 \mathrm{kV}$
4 $1.25 \mathrm{kV}$
Capacitance

165850 Three uncharged capacitors of capacities $C_{1}$, $C_{2}$ and $C_{3}$ are connected as shown in the figure $A, B$ and $C$ are at potentials $V_{1}, V_{2}$ and $V_{3}$, respectively, then the potential at $O$ is

1 $\frac{C_{1} V_{1}+C_{2} V_{2}+C_{3} V_{3}}{C_{1}+C_{2}+C_{3}}$
2 $\frac{C_{1} V_{1}+C_{2} V_{2}-C_{3} V_{3}}{C_{1}+C_{2}+C_{3}}$
3 $\frac{C_{1} V_{1}-+C_{2} V_{2}-C_{3} V_{3}}{C_{1}+C_{2}+C_{3}}$
4 Zero
Capacitance

165847 What is equivalent capacitance of circuit between points $A$ and $B$ ?

1 $\frac{2}{3} \mu \mathrm{F}$
2 $\frac{4}{3} \mu \mathrm{F}$
3 Infinite
4 $(1+\sqrt{3}) \mu \mathrm{F}$
Capacitance

165848 Four capacitors of capacitances $2 \mu \mathrm{F}, 3 \mu \mathrm{F}, 4 \mu \mathrm{F}$ and $x \mu F$ are connected to a battery of emf $6 \mathrm{~V}$ and of negligible internal resistance, as shown in the figure. If the ratio of the charges on $x \mu F$ and $4 \mu \mathrm{F}$ capacitances is $\frac{3}{8}$, then the value of $x$ is

1 2
2 5
3 3
4 8
Capacitance

165849 Four capacitors marked with capacitances and breakdown voltages are connected as shown in the figure. The maximum emf of the source, so that no capacitor breaks down is

1 $10.5 \mathrm{kV}$
2 $5.25 \mathrm{kV}$
3 $2.25 \mathrm{kV}$
4 $1.25 \mathrm{kV}$
Capacitance

165850 Three uncharged capacitors of capacities $C_{1}$, $C_{2}$ and $C_{3}$ are connected as shown in the figure $A, B$ and $C$ are at potentials $V_{1}, V_{2}$ and $V_{3}$, respectively, then the potential at $O$ is

1 $\frac{C_{1} V_{1}+C_{2} V_{2}+C_{3} V_{3}}{C_{1}+C_{2}+C_{3}}$
2 $\frac{C_{1} V_{1}+C_{2} V_{2}-C_{3} V_{3}}{C_{1}+C_{2}+C_{3}}$
3 $\frac{C_{1} V_{1}-+C_{2} V_{2}-C_{3} V_{3}}{C_{1}+C_{2}+C_{3}}$
4 Zero
Capacitance

165847 What is equivalent capacitance of circuit between points $A$ and $B$ ?

1 $\frac{2}{3} \mu \mathrm{F}$
2 $\frac{4}{3} \mu \mathrm{F}$
3 Infinite
4 $(1+\sqrt{3}) \mu \mathrm{F}$
Capacitance

165848 Four capacitors of capacitances $2 \mu \mathrm{F}, 3 \mu \mathrm{F}, 4 \mu \mathrm{F}$ and $x \mu F$ are connected to a battery of emf $6 \mathrm{~V}$ and of negligible internal resistance, as shown in the figure. If the ratio of the charges on $x \mu F$ and $4 \mu \mathrm{F}$ capacitances is $\frac{3}{8}$, then the value of $x$ is

1 2
2 5
3 3
4 8
Capacitance

165849 Four capacitors marked with capacitances and breakdown voltages are connected as shown in the figure. The maximum emf of the source, so that no capacitor breaks down is

1 $10.5 \mathrm{kV}$
2 $5.25 \mathrm{kV}$
3 $2.25 \mathrm{kV}$
4 $1.25 \mathrm{kV}$
Capacitance

165850 Three uncharged capacitors of capacities $C_{1}$, $C_{2}$ and $C_{3}$ are connected as shown in the figure $A, B$ and $C$ are at potentials $V_{1}, V_{2}$ and $V_{3}$, respectively, then the potential at $O$ is

1 $\frac{C_{1} V_{1}+C_{2} V_{2}+C_{3} V_{3}}{C_{1}+C_{2}+C_{3}}$
2 $\frac{C_{1} V_{1}+C_{2} V_{2}-C_{3} V_{3}}{C_{1}+C_{2}+C_{3}}$
3 $\frac{C_{1} V_{1}-+C_{2} V_{2}-C_{3} V_{3}}{C_{1}+C_{2}+C_{3}}$
4 Zero
Capacitance

165847 What is equivalent capacitance of circuit between points $A$ and $B$ ?

1 $\frac{2}{3} \mu \mathrm{F}$
2 $\frac{4}{3} \mu \mathrm{F}$
3 Infinite
4 $(1+\sqrt{3}) \mu \mathrm{F}$
Capacitance

165848 Four capacitors of capacitances $2 \mu \mathrm{F}, 3 \mu \mathrm{F}, 4 \mu \mathrm{F}$ and $x \mu F$ are connected to a battery of emf $6 \mathrm{~V}$ and of negligible internal resistance, as shown in the figure. If the ratio of the charges on $x \mu F$ and $4 \mu \mathrm{F}$ capacitances is $\frac{3}{8}$, then the value of $x$ is

1 2
2 5
3 3
4 8
Capacitance

165849 Four capacitors marked with capacitances and breakdown voltages are connected as shown in the figure. The maximum emf of the source, so that no capacitor breaks down is

1 $10.5 \mathrm{kV}$
2 $5.25 \mathrm{kV}$
3 $2.25 \mathrm{kV}$
4 $1.25 \mathrm{kV}$
Capacitance

165850 Three uncharged capacitors of capacities $C_{1}$, $C_{2}$ and $C_{3}$ are connected as shown in the figure $A, B$ and $C$ are at potentials $V_{1}, V_{2}$ and $V_{3}$, respectively, then the potential at $O$ is

1 $\frac{C_{1} V_{1}+C_{2} V_{2}+C_{3} V_{3}}{C_{1}+C_{2}+C_{3}}$
2 $\frac{C_{1} V_{1}+C_{2} V_{2}-C_{3} V_{3}}{C_{1}+C_{2}+C_{3}}$
3 $\frac{C_{1} V_{1}-+C_{2} V_{2}-C_{3} V_{3}}{C_{1}+C_{2}+C_{3}}$
4 Zero