268088
Two spheres of radii\(12 \mathrm{~cm}\) and \(16 \mathrm{~cm}\) have equal charge. The ratio of their energies is
1 \(3: 4\)
2 \(4: 3\)
3 \(1: 2\)
4 \(2: 1\)
Explanation:
\(\mathrm{U}=\frac{q^{2}}{2 C}, U \alpha \frac{1}{r}\)
Electrostatic Potentials and Capacitance
268089
A condenser of capacity\(10 \mu \mathbf{F}\) is charged to a potential of \(500 \mathrm{~V}\). I ts terminals are then connected to those of an uncharged condenser of capacity \(40 \mu \mathrm{F}\). The loss of energy in connecting them together is
268090
A\(2 \mu \mathrm{F}\) condenser is charged to \(500 \mathrm{~V}\) and then the platesarejoined through a resistance. The heat produced in the resistance in joule is
1 \(50 \times 10^{-2}\) Joule
2 \(25 \times 10^{-2}\) Joule
3 \(0.25 \times 10^{-2} \mathrm{~J}\) oule
4 \(0.5 \times 10^{-2}\) J oule
Explanation:
Energy Stored\(=\frac{1}{2} c v^{2}\)
Electrostatic Potentials and Capacitance
268104
A capacitor of 8 micro farad is charged to a potential of \(1000 \mathrm{~V}\). The energy stored in the capacitor is
NEET Test Series from KOTA - 10 Papers In MS WORD
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Electrostatic Potentials and Capacitance
268088
Two spheres of radii\(12 \mathrm{~cm}\) and \(16 \mathrm{~cm}\) have equal charge. The ratio of their energies is
1 \(3: 4\)
2 \(4: 3\)
3 \(1: 2\)
4 \(2: 1\)
Explanation:
\(\mathrm{U}=\frac{q^{2}}{2 C}, U \alpha \frac{1}{r}\)
Electrostatic Potentials and Capacitance
268089
A condenser of capacity\(10 \mu \mathbf{F}\) is charged to a potential of \(500 \mathrm{~V}\). I ts terminals are then connected to those of an uncharged condenser of capacity \(40 \mu \mathrm{F}\). The loss of energy in connecting them together is
268090
A\(2 \mu \mathrm{F}\) condenser is charged to \(500 \mathrm{~V}\) and then the platesarejoined through a resistance. The heat produced in the resistance in joule is
1 \(50 \times 10^{-2}\) Joule
2 \(25 \times 10^{-2}\) Joule
3 \(0.25 \times 10^{-2} \mathrm{~J}\) oule
4 \(0.5 \times 10^{-2}\) J oule
Explanation:
Energy Stored\(=\frac{1}{2} c v^{2}\)
Electrostatic Potentials and Capacitance
268104
A capacitor of 8 micro farad is charged to a potential of \(1000 \mathrm{~V}\). The energy stored in the capacitor is
268088
Two spheres of radii\(12 \mathrm{~cm}\) and \(16 \mathrm{~cm}\) have equal charge. The ratio of their energies is
1 \(3: 4\)
2 \(4: 3\)
3 \(1: 2\)
4 \(2: 1\)
Explanation:
\(\mathrm{U}=\frac{q^{2}}{2 C}, U \alpha \frac{1}{r}\)
Electrostatic Potentials and Capacitance
268089
A condenser of capacity\(10 \mu \mathbf{F}\) is charged to a potential of \(500 \mathrm{~V}\). I ts terminals are then connected to those of an uncharged condenser of capacity \(40 \mu \mathrm{F}\). The loss of energy in connecting them together is
268090
A\(2 \mu \mathrm{F}\) condenser is charged to \(500 \mathrm{~V}\) and then the platesarejoined through a resistance. The heat produced in the resistance in joule is
1 \(50 \times 10^{-2}\) Joule
2 \(25 \times 10^{-2}\) Joule
3 \(0.25 \times 10^{-2} \mathrm{~J}\) oule
4 \(0.5 \times 10^{-2}\) J oule
Explanation:
Energy Stored\(=\frac{1}{2} c v^{2}\)
Electrostatic Potentials and Capacitance
268104
A capacitor of 8 micro farad is charged to a potential of \(1000 \mathrm{~V}\). The energy stored in the capacitor is
268088
Two spheres of radii\(12 \mathrm{~cm}\) and \(16 \mathrm{~cm}\) have equal charge. The ratio of their energies is
1 \(3: 4\)
2 \(4: 3\)
3 \(1: 2\)
4 \(2: 1\)
Explanation:
\(\mathrm{U}=\frac{q^{2}}{2 C}, U \alpha \frac{1}{r}\)
Electrostatic Potentials and Capacitance
268089
A condenser of capacity\(10 \mu \mathbf{F}\) is charged to a potential of \(500 \mathrm{~V}\). I ts terminals are then connected to those of an uncharged condenser of capacity \(40 \mu \mathrm{F}\). The loss of energy in connecting them together is
268090
A\(2 \mu \mathrm{F}\) condenser is charged to \(500 \mathrm{~V}\) and then the platesarejoined through a resistance. The heat produced in the resistance in joule is
1 \(50 \times 10^{-2}\) Joule
2 \(25 \times 10^{-2}\) Joule
3 \(0.25 \times 10^{-2} \mathrm{~J}\) oule
4 \(0.5 \times 10^{-2}\) J oule
Explanation:
Energy Stored\(=\frac{1}{2} c v^{2}\)
Electrostatic Potentials and Capacitance
268104
A capacitor of 8 micro farad is charged to a potential of \(1000 \mathrm{~V}\). The energy stored in the capacitor is