166023 A capacitor is charged and then made to discharge through a resistance. The time constant is $\tau$. In what time will the potential difference across the capacitor decrease by $10 \%$ ?

166024 A capacitor of capacity $0.1 \mu F$ connected in series to a resistor of $10 \mathrm{M} \Omega$ is charged to a certain potential and then made to discharge through the resistor. The time in which the potential will take to fall to half its original value is (Given, $\log _{10} 2=\mathbf{0 . 3 0 1 0}$ )

166025 A parallel plate air capacitor with plate area ' $A$ ' and plate separation ' $d$ ' filled with three dielectric materials of dielectric constants $K_{1}$, $K_{2}$ and $K_{3}$ is as shown in the figure. If the three dielectric materials are replaced by a single dielectric material of dielectric constant ' $K$ ' filling the entire capacitor, the capacity remains the same, then

166026 A photographic flash unit consists of a xenon filled tube. It gives a flash of average power $2000 \mathrm{~W}$ for 0.04 sec. The flash is due to discharge of a fully charged capacitor of $40 \mu \mathrm{F}$. The voltage to which it is charged before a flash is given by the unit is

166027 An air capacitor is charged with an amount of charge $q$ and dipped into an oil tank. If the oil is pumped out, the electric field between the plates of capacitor will

166023 A capacitor is charged and then made to discharge through a resistance. The time constant is $\tau$. In what time will the potential difference across the capacitor decrease by $10 \%$ ?

166024 A capacitor of capacity $0.1 \mu F$ connected in series to a resistor of $10 \mathrm{M} \Omega$ is charged to a certain potential and then made to discharge through the resistor. The time in which the potential will take to fall to half its original value is (Given, $\log _{10} 2=\mathbf{0 . 3 0 1 0}$ )

166025 A parallel plate air capacitor with plate area ' $A$ ' and plate separation ' $d$ ' filled with three dielectric materials of dielectric constants $K_{1}$, $K_{2}$ and $K_{3}$ is as shown in the figure. If the three dielectric materials are replaced by a single dielectric material of dielectric constant ' $K$ ' filling the entire capacitor, the capacity remains the same, then

166026 A photographic flash unit consists of a xenon filled tube. It gives a flash of average power $2000 \mathrm{~W}$ for 0.04 sec. The flash is due to discharge of a fully charged capacitor of $40 \mu \mathrm{F}$. The voltage to which it is charged before a flash is given by the unit is

166027 An air capacitor is charged with an amount of charge $q$ and dipped into an oil tank. If the oil is pumped out, the electric field between the plates of capacitor will

166023 A capacitor is charged and then made to discharge through a resistance. The time constant is $\tau$. In what time will the potential difference across the capacitor decrease by $10 \%$ ?

166024 A capacitor of capacity $0.1 \mu F$ connected in series to a resistor of $10 \mathrm{M} \Omega$ is charged to a certain potential and then made to discharge through the resistor. The time in which the potential will take to fall to half its original value is (Given, $\log _{10} 2=\mathbf{0 . 3 0 1 0}$ )

166025 A parallel plate air capacitor with plate area ' $A$ ' and plate separation ' $d$ ' filled with three dielectric materials of dielectric constants $K_{1}$, $K_{2}$ and $K_{3}$ is as shown in the figure. If the three dielectric materials are replaced by a single dielectric material of dielectric constant ' $K$ ' filling the entire capacitor, the capacity remains the same, then

166026 A photographic flash unit consists of a xenon filled tube. It gives a flash of average power $2000 \mathrm{~W}$ for 0.04 sec. The flash is due to discharge of a fully charged capacitor of $40 \mu \mathrm{F}$. The voltage to which it is charged before a flash is given by the unit is

166027 An air capacitor is charged with an amount of charge $q$ and dipped into an oil tank. If the oil is pumped out, the electric field between the plates of capacitor will

166023 A capacitor is charged and then made to discharge through a resistance. The time constant is $\tau$. In what time will the potential difference across the capacitor decrease by $10 \%$ ?

166024 A capacitor of capacity $0.1 \mu F$ connected in series to a resistor of $10 \mathrm{M} \Omega$ is charged to a certain potential and then made to discharge through the resistor. The time in which the potential will take to fall to half its original value is (Given, $\log _{10} 2=\mathbf{0 . 3 0 1 0}$ )

166025 A parallel plate air capacitor with plate area ' $A$ ' and plate separation ' $d$ ' filled with three dielectric materials of dielectric constants $K_{1}$, $K_{2}$ and $K_{3}$ is as shown in the figure. If the three dielectric materials are replaced by a single dielectric material of dielectric constant ' $K$ ' filling the entire capacitor, the capacity remains the same, then

166026 A photographic flash unit consists of a xenon filled tube. It gives a flash of average power $2000 \mathrm{~W}$ for 0.04 sec. The flash is due to discharge of a fully charged capacitor of $40 \mu \mathrm{F}$. The voltage to which it is charged before a flash is given by the unit is

166027 An air capacitor is charged with an amount of charge $q$ and dipped into an oil tank. If the oil is pumped out, the electric field between the plates of capacitor will

166023 A capacitor is charged and then made to discharge through a resistance. The time constant is $\tau$. In what time will the potential difference across the capacitor decrease by $10 \%$ ?

166024 A capacitor of capacity $0.1 \mu F$ connected in series to a resistor of $10 \mathrm{M} \Omega$ is charged to a certain potential and then made to discharge through the resistor. The time in which the potential will take to fall to half its original value is (Given, $\log _{10} 2=\mathbf{0 . 3 0 1 0}$ )

166025 A parallel plate air capacitor with plate area ' $A$ ' and plate separation ' $d$ ' filled with three dielectric materials of dielectric constants $K_{1}$, $K_{2}$ and $K_{3}$ is as shown in the figure. If the three dielectric materials are replaced by a single dielectric material of dielectric constant ' $K$ ' filling the entire capacitor, the capacity remains the same, then

166026 A photographic flash unit consists of a xenon filled tube. It gives a flash of average power $2000 \mathrm{~W}$ for 0.04 sec. The flash is due to discharge of a fully charged capacitor of $40 \mu \mathrm{F}$. The voltage to which it is charged before a flash is given by the unit is

166027 An air capacitor is charged with an amount of charge $q$ and dipped into an oil tank. If the oil is pumped out, the electric field between the plates of capacitor will