ENERGY STORED IN A CONDENSER AND TYPES OF CAPACITORS
Electrostatic Potentials and Capacitance

268130 A \(4 \mu \mathrm{F}\) capacitor is charged by a \(200 \mathrm{~V}\) battery. It is then disconnected from the supply and is connected to another uncharged \(2 \mu \mathrm{F}\) capacitor. During this process, Loss of energy (in \(\mathrm{J}\) ) is

1 Zero
2 \(5.33 \times 10^{2}\)
3 \(4 \times 10^{2}\)
4 \(2.67 \times 10^{2}\)
Electrostatic Potentials and Capacitance

268131 A capacitor of capacitance \(C\) has charge \(Q\) and stored energy \(W\). If the charge is increased \(2 Q\) the stored energy would be

1 \(W / 4\)
2 \(W / 2\)
3 \(2 \mathrm{~W}\)
4 \(41 \mathrm{~W}\)
Electrostatic Potentials and Capacitance

268129 A capacitor \(4 \mu \mathrm{F}\) charged to \(50 \mathrm{~V}\) is connected to another capacitor \(2 \mu \mathrm{F}\) charged to \(100 \mathrm{~V}\). The total energy of combination is

1 \(13.3 \times 10^{-3} /\) \\
2 \(20X(10-^3) J\)\)
3 \(5 \times 10^{-3} /\) \\
4 \(10 \times 10^{-3} /\)
Electrostatic Potentials and Capacitance

268132 The equivalent capacitancebetween points \(M\) and \(\mathrm{N}\) is

1 Infinity
2 \(C_{1}+\frac{C_{2}}{C_{1}}\)
3 \(\frac{C_{1} C_{2}}{C_{1}+C_{2}}\)
4 \(\frac{C_{1} C_{2}}{C_{1}-C_{2}}\)
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Electrostatic Potentials and Capacitance

268130 A \(4 \mu \mathrm{F}\) capacitor is charged by a \(200 \mathrm{~V}\) battery. It is then disconnected from the supply and is connected to another uncharged \(2 \mu \mathrm{F}\) capacitor. During this process, Loss of energy (in \(\mathrm{J}\) ) is

1 Zero
2 \(5.33 \times 10^{2}\)
3 \(4 \times 10^{2}\)
4 \(2.67 \times 10^{2}\)
Electrostatic Potentials and Capacitance

268131 A capacitor of capacitance \(C\) has charge \(Q\) and stored energy \(W\). If the charge is increased \(2 Q\) the stored energy would be

1 \(W / 4\)
2 \(W / 2\)
3 \(2 \mathrm{~W}\)
4 \(41 \mathrm{~W}\)
Electrostatic Potentials and Capacitance

268129 A capacitor \(4 \mu \mathrm{F}\) charged to \(50 \mathrm{~V}\) is connected to another capacitor \(2 \mu \mathrm{F}\) charged to \(100 \mathrm{~V}\). The total energy of combination is

1 \(13.3 \times 10^{-3} /\) \\
2 \(20X(10-^3) J\)\)
3 \(5 \times 10^{-3} /\) \\
4 \(10 \times 10^{-3} /\)
Electrostatic Potentials and Capacitance

268132 The equivalent capacitancebetween points \(M\) and \(\mathrm{N}\) is

1 Infinity
2 \(C_{1}+\frac{C_{2}}{C_{1}}\)
3 \(\frac{C_{1} C_{2}}{C_{1}+C_{2}}\)
4 \(\frac{C_{1} C_{2}}{C_{1}-C_{2}}\)
Electrostatic Potentials and Capacitance

268130 A \(4 \mu \mathrm{F}\) capacitor is charged by a \(200 \mathrm{~V}\) battery. It is then disconnected from the supply and is connected to another uncharged \(2 \mu \mathrm{F}\) capacitor. During this process, Loss of energy (in \(\mathrm{J}\) ) is

1 Zero
2 \(5.33 \times 10^{2}\)
3 \(4 \times 10^{2}\)
4 \(2.67 \times 10^{2}\)
Electrostatic Potentials and Capacitance

268131 A capacitor of capacitance \(C\) has charge \(Q\) and stored energy \(W\). If the charge is increased \(2 Q\) the stored energy would be

1 \(W / 4\)
2 \(W / 2\)
3 \(2 \mathrm{~W}\)
4 \(41 \mathrm{~W}\)
Electrostatic Potentials and Capacitance

268129 A capacitor \(4 \mu \mathrm{F}\) charged to \(50 \mathrm{~V}\) is connected to another capacitor \(2 \mu \mathrm{F}\) charged to \(100 \mathrm{~V}\). The total energy of combination is

1 \(13.3 \times 10^{-3} /\) \\
2 \(20X(10-^3) J\)\)
3 \(5 \times 10^{-3} /\) \\
4 \(10 \times 10^{-3} /\)
Electrostatic Potentials and Capacitance

268132 The equivalent capacitancebetween points \(M\) and \(\mathrm{N}\) is

1 Infinity
2 \(C_{1}+\frac{C_{2}}{C_{1}}\)
3 \(\frac{C_{1} C_{2}}{C_{1}+C_{2}}\)
4 \(\frac{C_{1} C_{2}}{C_{1}-C_{2}}\)
Electrostatic Potentials and Capacitance

268130 A \(4 \mu \mathrm{F}\) capacitor is charged by a \(200 \mathrm{~V}\) battery. It is then disconnected from the supply and is connected to another uncharged \(2 \mu \mathrm{F}\) capacitor. During this process, Loss of energy (in \(\mathrm{J}\) ) is

1 Zero
2 \(5.33 \times 10^{2}\)
3 \(4 \times 10^{2}\)
4 \(2.67 \times 10^{2}\)
Electrostatic Potentials and Capacitance

268131 A capacitor of capacitance \(C\) has charge \(Q\) and stored energy \(W\). If the charge is increased \(2 Q\) the stored energy would be

1 \(W / 4\)
2 \(W / 2\)
3 \(2 \mathrm{~W}\)
4 \(41 \mathrm{~W}\)
Electrostatic Potentials and Capacitance

268129 A capacitor \(4 \mu \mathrm{F}\) charged to \(50 \mathrm{~V}\) is connected to another capacitor \(2 \mu \mathrm{F}\) charged to \(100 \mathrm{~V}\). The total energy of combination is

1 \(13.3 \times 10^{-3} /\) \\
2 \(20X(10-^3) J\)\)
3 \(5 \times 10^{-3} /\) \\
4 \(10 \times 10^{-3} /\)
Electrostatic Potentials and Capacitance

268132 The equivalent capacitancebetween points \(M\) and \(\mathrm{N}\) is

1 Infinity
2 \(C_{1}+\frac{C_{2}}{C_{1}}\)
3 \(\frac{C_{1} C_{2}}{C_{1}+C_{2}}\)
4 \(\frac{C_{1} C_{2}}{C_{1}-C_{2}}\)