268096
A condenser \(\mathrm{A}\) of capacity \(4 \mu \mathrm{F}\) has a charge \(20 \mu \mathrm{C}\) and another condenser B of capacity \(10 \mu \mathrm{F}\) has a charge \(40 \mu \mathrm{C}\). If they are connected parallel, then
1 charge flows fromB to \(A\) till the charges on themare equal.
2 charge flows fromB to A till common poten tial is reached
3 charge flows from \(A\) to \(B\) till common potential is reached
4 charge flows fromA to \(B\) till charges on them are equal.
Explanation:
In parallel potential constant \(V=\frac{C_{1} V_{1}+C_{2} V_{2}}{C_{1}+C_{2}}\) then find charges \(q_{1}^{1}=C_{1} V, q_{2}^{1}=C_{2} V\)
Electrostatic Potentials and Capacitance
268097
A capacitor of \(30 \mu \mathrm{F}\) charged to \(100 \mathrm{~V}\) is conncected in parallel to capacitor of \(20 \mu \mathrm{F}\) charged to 50 volt. The common potential is
1 \(75 \mathrm{~V}\)
2 \(150 \mathrm{~V}\)
3 \(50 \mathrm{~V}\)
4 \(80 \mathrm{~V}\)
Explanation:
\(V=\frac{C_{1} V_{1}+C_{2} V_{2}}{C_{1}+C_{2}}\)
Electrostatic Potentials and Capacitance
268085
The equivalent capacity between the points\(X\) and \(Y\) in thecircuit with \(C=1 \mu F\) (2007M)
1 \(2 \mu F\)
2 \(3 \mu F\)
3 \(1 \mu F\)
4 \(0.5 \mu F\) C
Explanation:
\(C_{\text {eff }}=C_{1}+C_{2}\)
Electrostatic Potentials and Capacitance
268086
The equivalent capacitance of the network given below is\(1 \mu \mathrm{F}\). The value of ' \(\mathrm{C}\) ' is
1 \(3 \mu \mathrm{F}\)
2 \(1.5^{\mathrm{C}} \mu \mathrm{F}\)
3 \(2.5 \mu \mathrm{F}\)
4 \(1 \mu \mathrm{F}\)
Explanation:
\(1.5 \mu c, c\) are in parallel ; its effective capacitance \(1.5+c\)
\(1.5+c, 3 \mu F, 3 \mu F\) are in series
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Electrostatic Potentials and Capacitance
268096
A condenser \(\mathrm{A}\) of capacity \(4 \mu \mathrm{F}\) has a charge \(20 \mu \mathrm{C}\) and another condenser B of capacity \(10 \mu \mathrm{F}\) has a charge \(40 \mu \mathrm{C}\). If they are connected parallel, then
1 charge flows fromB to \(A\) till the charges on themare equal.
2 charge flows fromB to A till common poten tial is reached
3 charge flows from \(A\) to \(B\) till common potential is reached
4 charge flows fromA to \(B\) till charges on them are equal.
Explanation:
In parallel potential constant \(V=\frac{C_{1} V_{1}+C_{2} V_{2}}{C_{1}+C_{2}}\) then find charges \(q_{1}^{1}=C_{1} V, q_{2}^{1}=C_{2} V\)
Electrostatic Potentials and Capacitance
268097
A capacitor of \(30 \mu \mathrm{F}\) charged to \(100 \mathrm{~V}\) is conncected in parallel to capacitor of \(20 \mu \mathrm{F}\) charged to 50 volt. The common potential is
1 \(75 \mathrm{~V}\)
2 \(150 \mathrm{~V}\)
3 \(50 \mathrm{~V}\)
4 \(80 \mathrm{~V}\)
Explanation:
\(V=\frac{C_{1} V_{1}+C_{2} V_{2}}{C_{1}+C_{2}}\)
Electrostatic Potentials and Capacitance
268085
The equivalent capacity between the points\(X\) and \(Y\) in thecircuit with \(C=1 \mu F\) (2007M)
1 \(2 \mu F\)
2 \(3 \mu F\)
3 \(1 \mu F\)
4 \(0.5 \mu F\) C
Explanation:
\(C_{\text {eff }}=C_{1}+C_{2}\)
Electrostatic Potentials and Capacitance
268086
The equivalent capacitance of the network given below is\(1 \mu \mathrm{F}\). The value of ' \(\mathrm{C}\) ' is
1 \(3 \mu \mathrm{F}\)
2 \(1.5^{\mathrm{C}} \mu \mathrm{F}\)
3 \(2.5 \mu \mathrm{F}\)
4 \(1 \mu \mathrm{F}\)
Explanation:
\(1.5 \mu c, c\) are in parallel ; its effective capacitance \(1.5+c\)
\(1.5+c, 3 \mu F, 3 \mu F\) are in series
268096
A condenser \(\mathrm{A}\) of capacity \(4 \mu \mathrm{F}\) has a charge \(20 \mu \mathrm{C}\) and another condenser B of capacity \(10 \mu \mathrm{F}\) has a charge \(40 \mu \mathrm{C}\). If they are connected parallel, then
1 charge flows fromB to \(A\) till the charges on themare equal.
2 charge flows fromB to A till common poten tial is reached
3 charge flows from \(A\) to \(B\) till common potential is reached
4 charge flows fromA to \(B\) till charges on them are equal.
Explanation:
In parallel potential constant \(V=\frac{C_{1} V_{1}+C_{2} V_{2}}{C_{1}+C_{2}}\) then find charges \(q_{1}^{1}=C_{1} V, q_{2}^{1}=C_{2} V\)
Electrostatic Potentials and Capacitance
268097
A capacitor of \(30 \mu \mathrm{F}\) charged to \(100 \mathrm{~V}\) is conncected in parallel to capacitor of \(20 \mu \mathrm{F}\) charged to 50 volt. The common potential is
1 \(75 \mathrm{~V}\)
2 \(150 \mathrm{~V}\)
3 \(50 \mathrm{~V}\)
4 \(80 \mathrm{~V}\)
Explanation:
\(V=\frac{C_{1} V_{1}+C_{2} V_{2}}{C_{1}+C_{2}}\)
Electrostatic Potentials and Capacitance
268085
The equivalent capacity between the points\(X\) and \(Y\) in thecircuit with \(C=1 \mu F\) (2007M)
1 \(2 \mu F\)
2 \(3 \mu F\)
3 \(1 \mu F\)
4 \(0.5 \mu F\) C
Explanation:
\(C_{\text {eff }}=C_{1}+C_{2}\)
Electrostatic Potentials and Capacitance
268086
The equivalent capacitance of the network given below is\(1 \mu \mathrm{F}\). The value of ' \(\mathrm{C}\) ' is
1 \(3 \mu \mathrm{F}\)
2 \(1.5^{\mathrm{C}} \mu \mathrm{F}\)
3 \(2.5 \mu \mathrm{F}\)
4 \(1 \mu \mathrm{F}\)
Explanation:
\(1.5 \mu c, c\) are in parallel ; its effective capacitance \(1.5+c\)
\(1.5+c, 3 \mu F, 3 \mu F\) are in series
268096
A condenser \(\mathrm{A}\) of capacity \(4 \mu \mathrm{F}\) has a charge \(20 \mu \mathrm{C}\) and another condenser B of capacity \(10 \mu \mathrm{F}\) has a charge \(40 \mu \mathrm{C}\). If they are connected parallel, then
1 charge flows fromB to \(A\) till the charges on themare equal.
2 charge flows fromB to A till common poten tial is reached
3 charge flows from \(A\) to \(B\) till common potential is reached
4 charge flows fromA to \(B\) till charges on them are equal.
Explanation:
In parallel potential constant \(V=\frac{C_{1} V_{1}+C_{2} V_{2}}{C_{1}+C_{2}}\) then find charges \(q_{1}^{1}=C_{1} V, q_{2}^{1}=C_{2} V\)
Electrostatic Potentials and Capacitance
268097
A capacitor of \(30 \mu \mathrm{F}\) charged to \(100 \mathrm{~V}\) is conncected in parallel to capacitor of \(20 \mu \mathrm{F}\) charged to 50 volt. The common potential is
1 \(75 \mathrm{~V}\)
2 \(150 \mathrm{~V}\)
3 \(50 \mathrm{~V}\)
4 \(80 \mathrm{~V}\)
Explanation:
\(V=\frac{C_{1} V_{1}+C_{2} V_{2}}{C_{1}+C_{2}}\)
Electrostatic Potentials and Capacitance
268085
The equivalent capacity between the points\(X\) and \(Y\) in thecircuit with \(C=1 \mu F\) (2007M)
1 \(2 \mu F\)
2 \(3 \mu F\)
3 \(1 \mu F\)
4 \(0.5 \mu F\) C
Explanation:
\(C_{\text {eff }}=C_{1}+C_{2}\)
Electrostatic Potentials and Capacitance
268086
The equivalent capacitance of the network given below is\(1 \mu \mathrm{F}\). The value of ' \(\mathrm{C}\) ' is
1 \(3 \mu \mathrm{F}\)
2 \(1.5^{\mathrm{C}} \mu \mathrm{F}\)
3 \(2.5 \mu \mathrm{F}\)
4 \(1 \mu \mathrm{F}\)
Explanation:
\(1.5 \mu c, c\) are in parallel ; its effective capacitance \(1.5+c\)
\(1.5+c, 3 \mu F, 3 \mu F\) are in series
