CAPACITANCE
Electrostatic Potentials and Capacitance

272270 An unchargedparalle plate capacitor having a dielectric of dielectric constant K is connected to a similar air cored parallel plate capacitor charged to a potential \(\mathrm{V}_0\). The two share the charge, and the common potential becomes V . The dielectric constant K is

1 \(\frac{v_n}{V}-1\)
2 \(\frac{v_a}{v}+1\)
3 \(\frac{v}{v_0}-1\)
4 \(\frac{v}{v_0}+1\)
Electrostatic Potentials and Capacitance

272271 A parallel plate capacitor with air between the plates is charged to a potential difference of 500 V and then insulated.
A plastic plate is inserted between the plates filling the whole gap. The potential difference between the plates now becomes 75 V . The dielectric constant of plastic is

1 \(10 / 3\)
2 5
3 20/3
4 10
Electrostatic Potentials and Capacitance

272272 A parallel-plate capacitor is filled by a dielectric whose permittivity varies with the applied voltage according to the law \(\varepsilon=\alpha V\), where \(\alpha=1 \mathrm{~V}^{-1}\). The same \{but containing no dielectric\} capacitor charged to a voltage \(V_0=156 \mathrm{~V}\) is connected in parallel to the first "nonlinear" uncharged capacitor. Determine the final voltage \(V\) across the capacitors.

1 6 V
2 12 V
3 8 V
4 4 V
Electrostatic Potentials and Capacitance

268165 The potential difference between \(\bar{t}\) he points \(A\) and \(B\) in the following circuit in steady state will be

1 \(V_{A B}=100\) volt
2 \(V_{A B}=75\) volt
3 \(V_{A B}=25\) volt
4 \(V_{A B}=50\) volt
Electrostatic Potentials and Capacitance

268164 In the following circuit; find the potentials at points\(A\) and \(B\) is

1 \(10V, 0V \)
2 \(6 V, -4V\)
3 \(4V, -6V \)
4 \(5V, -5V\)
Electrostatic Potentials and Capacitance

272270 An unchargedparalle plate capacitor having a dielectric of dielectric constant K is connected to a similar air cored parallel plate capacitor charged to a potential \(\mathrm{V}_0\). The two share the charge, and the common potential becomes V . The dielectric constant K is

1 \(\frac{v_n}{V}-1\)
2 \(\frac{v_a}{v}+1\)
3 \(\frac{v}{v_0}-1\)
4 \(\frac{v}{v_0}+1\)
Electrostatic Potentials and Capacitance

272271 A parallel plate capacitor with air between the plates is charged to a potential difference of 500 V and then insulated.
A plastic plate is inserted between the plates filling the whole gap. The potential difference between the plates now becomes 75 V . The dielectric constant of plastic is

1 \(10 / 3\)
2 5
3 20/3
4 10
Electrostatic Potentials and Capacitance

272272 A parallel-plate capacitor is filled by a dielectric whose permittivity varies with the applied voltage according to the law \(\varepsilon=\alpha V\), where \(\alpha=1 \mathrm{~V}^{-1}\). The same \{but containing no dielectric\} capacitor charged to a voltage \(V_0=156 \mathrm{~V}\) is connected in parallel to the first "nonlinear" uncharged capacitor. Determine the final voltage \(V\) across the capacitors.

1 6 V
2 12 V
3 8 V
4 4 V
Electrostatic Potentials and Capacitance

268165 The potential difference between \(\bar{t}\) he points \(A\) and \(B\) in the following circuit in steady state will be

1 \(V_{A B}=100\) volt
2 \(V_{A B}=75\) volt
3 \(V_{A B}=25\) volt
4 \(V_{A B}=50\) volt
Electrostatic Potentials and Capacitance

268164 In the following circuit; find the potentials at points\(A\) and \(B\) is

1 \(10V, 0V \)
2 \(6 V, -4V\)
3 \(4V, -6V \)
4 \(5V, -5V\)
Electrostatic Potentials and Capacitance

272270 An unchargedparalle plate capacitor having a dielectric of dielectric constant K is connected to a similar air cored parallel plate capacitor charged to a potential \(\mathrm{V}_0\). The two share the charge, and the common potential becomes V . The dielectric constant K is

1 \(\frac{v_n}{V}-1\)
2 \(\frac{v_a}{v}+1\)
3 \(\frac{v}{v_0}-1\)
4 \(\frac{v}{v_0}+1\)
Electrostatic Potentials and Capacitance

272271 A parallel plate capacitor with air between the plates is charged to a potential difference of 500 V and then insulated.
A plastic plate is inserted between the plates filling the whole gap. The potential difference between the plates now becomes 75 V . The dielectric constant of plastic is

1 \(10 / 3\)
2 5
3 20/3
4 10
Electrostatic Potentials and Capacitance

272272 A parallel-plate capacitor is filled by a dielectric whose permittivity varies with the applied voltage according to the law \(\varepsilon=\alpha V\), where \(\alpha=1 \mathrm{~V}^{-1}\). The same \{but containing no dielectric\} capacitor charged to a voltage \(V_0=156 \mathrm{~V}\) is connected in parallel to the first "nonlinear" uncharged capacitor. Determine the final voltage \(V\) across the capacitors.

1 6 V
2 12 V
3 8 V
4 4 V
Electrostatic Potentials and Capacitance

268165 The potential difference between \(\bar{t}\) he points \(A\) and \(B\) in the following circuit in steady state will be

1 \(V_{A B}=100\) volt
2 \(V_{A B}=75\) volt
3 \(V_{A B}=25\) volt
4 \(V_{A B}=50\) volt
Electrostatic Potentials and Capacitance

268164 In the following circuit; find the potentials at points\(A\) and \(B\) is

1 \(10V, 0V \)
2 \(6 V, -4V\)
3 \(4V, -6V \)
4 \(5V, -5V\)
Electrostatic Potentials and Capacitance

272270 An unchargedparalle plate capacitor having a dielectric of dielectric constant K is connected to a similar air cored parallel plate capacitor charged to a potential \(\mathrm{V}_0\). The two share the charge, and the common potential becomes V . The dielectric constant K is

1 \(\frac{v_n}{V}-1\)
2 \(\frac{v_a}{v}+1\)
3 \(\frac{v}{v_0}-1\)
4 \(\frac{v}{v_0}+1\)
Electrostatic Potentials and Capacitance

272271 A parallel plate capacitor with air between the plates is charged to a potential difference of 500 V and then insulated.
A plastic plate is inserted between the plates filling the whole gap. The potential difference between the plates now becomes 75 V . The dielectric constant of plastic is

1 \(10 / 3\)
2 5
3 20/3
4 10
Electrostatic Potentials and Capacitance

272272 A parallel-plate capacitor is filled by a dielectric whose permittivity varies with the applied voltage according to the law \(\varepsilon=\alpha V\), where \(\alpha=1 \mathrm{~V}^{-1}\). The same \{but containing no dielectric\} capacitor charged to a voltage \(V_0=156 \mathrm{~V}\) is connected in parallel to the first "nonlinear" uncharged capacitor. Determine the final voltage \(V\) across the capacitors.

1 6 V
2 12 V
3 8 V
4 4 V
Electrostatic Potentials and Capacitance

268165 The potential difference between \(\bar{t}\) he points \(A\) and \(B\) in the following circuit in steady state will be

1 \(V_{A B}=100\) volt
2 \(V_{A B}=75\) volt
3 \(V_{A B}=25\) volt
4 \(V_{A B}=50\) volt
Electrostatic Potentials and Capacitance

268164 In the following circuit; find the potentials at points\(A\) and \(B\) is

1 \(10V, 0V \)
2 \(6 V, -4V\)
3 \(4V, -6V \)
4 \(5V, -5V\)
Electrostatic Potentials and Capacitance

272270 An unchargedparalle plate capacitor having a dielectric of dielectric constant K is connected to a similar air cored parallel plate capacitor charged to a potential \(\mathrm{V}_0\). The two share the charge, and the common potential becomes V . The dielectric constant K is

1 \(\frac{v_n}{V}-1\)
2 \(\frac{v_a}{v}+1\)
3 \(\frac{v}{v_0}-1\)
4 \(\frac{v}{v_0}+1\)
Electrostatic Potentials and Capacitance

272271 A parallel plate capacitor with air between the plates is charged to a potential difference of 500 V and then insulated.
A plastic plate is inserted between the plates filling the whole gap. The potential difference between the plates now becomes 75 V . The dielectric constant of plastic is

1 \(10 / 3\)
2 5
3 20/3
4 10
Electrostatic Potentials and Capacitance

272272 A parallel-plate capacitor is filled by a dielectric whose permittivity varies with the applied voltage according to the law \(\varepsilon=\alpha V\), where \(\alpha=1 \mathrm{~V}^{-1}\). The same \{but containing no dielectric\} capacitor charged to a voltage \(V_0=156 \mathrm{~V}\) is connected in parallel to the first "nonlinear" uncharged capacitor. Determine the final voltage \(V\) across the capacitors.

1 6 V
2 12 V
3 8 V
4 4 V
Electrostatic Potentials and Capacitance

268165 The potential difference between \(\bar{t}\) he points \(A\) and \(B\) in the following circuit in steady state will be

1 \(V_{A B}=100\) volt
2 \(V_{A B}=75\) volt
3 \(V_{A B}=25\) volt
4 \(V_{A B}=50\) volt
Electrostatic Potentials and Capacitance

268164 In the following circuit; find the potentials at points\(A\) and \(B\) is

1 \(10V, 0V \)
2 \(6 V, -4V\)
3 \(4V, -6V \)
4 \(5V, -5V\)