165983
One plate of a parallel palate capacitor is connected to a spring as shown in the figure. The area of each plate of the capacitor is $A$ and the distance between the plate is $d$, when the battery is not connected and the spring is unscratched. After connecting the battery, in the steady state the distance between the plates is $0.75 \mathrm{~d}$, then the force constant of the spring is
165984 The plates of a parallel plate capacitor are charges upto $100 \mathrm{~V}$. A $2 \mathrm{~mm}$ thick insulator sheet is inserted between the plates. Then to maintain the same potential difference, the distance between the plates is increased by $\mathbf{1 . 6}$ $\mathrm{mm}$. The dielectric constant of the insulator is
165985 A parallel plate capacitor has a capacity $80 \times$ $10^{-6} \mathrm{~F}$, when air is present between its plates. The space between the plates is filled with a dielectric slab of dielectric constant 20 . The capacitor is now connected to a battery of $30 \mathrm{~V}$ by wires. The dielectric slab is then removed. Then, the charge passing through the wire is
165983
One plate of a parallel palate capacitor is connected to a spring as shown in the figure. The area of each plate of the capacitor is $A$ and the distance between the plate is $d$, when the battery is not connected and the spring is unscratched. After connecting the battery, in the steady state the distance between the plates is $0.75 \mathrm{~d}$, then the force constant of the spring is
165984 The plates of a parallel plate capacitor are charges upto $100 \mathrm{~V}$. A $2 \mathrm{~mm}$ thick insulator sheet is inserted between the plates. Then to maintain the same potential difference, the distance between the plates is increased by $\mathbf{1 . 6}$ $\mathrm{mm}$. The dielectric constant of the insulator is
165985 A parallel plate capacitor has a capacity $80 \times$ $10^{-6} \mathrm{~F}$, when air is present between its plates. The space between the plates is filled with a dielectric slab of dielectric constant 20 . The capacitor is now connected to a battery of $30 \mathrm{~V}$ by wires. The dielectric slab is then removed. Then, the charge passing through the wire is
165983
One plate of a parallel palate capacitor is connected to a spring as shown in the figure. The area of each plate of the capacitor is $A$ and the distance between the plate is $d$, when the battery is not connected and the spring is unscratched. After connecting the battery, in the steady state the distance between the plates is $0.75 \mathrm{~d}$, then the force constant of the spring is
165984 The plates of a parallel plate capacitor are charges upto $100 \mathrm{~V}$. A $2 \mathrm{~mm}$ thick insulator sheet is inserted between the plates. Then to maintain the same potential difference, the distance between the plates is increased by $\mathbf{1 . 6}$ $\mathrm{mm}$. The dielectric constant of the insulator is
165985 A parallel plate capacitor has a capacity $80 \times$ $10^{-6} \mathrm{~F}$, when air is present between its plates. The space between the plates is filled with a dielectric slab of dielectric constant 20 . The capacitor is now connected to a battery of $30 \mathrm{~V}$ by wires. The dielectric slab is then removed. Then, the charge passing through the wire is
165983
One plate of a parallel palate capacitor is connected to a spring as shown in the figure. The area of each plate of the capacitor is $A$ and the distance between the plate is $d$, when the battery is not connected and the spring is unscratched. After connecting the battery, in the steady state the distance between the plates is $0.75 \mathrm{~d}$, then the force constant of the spring is
165984 The plates of a parallel plate capacitor are charges upto $100 \mathrm{~V}$. A $2 \mathrm{~mm}$ thick insulator sheet is inserted between the plates. Then to maintain the same potential difference, the distance between the plates is increased by $\mathbf{1 . 6}$ $\mathrm{mm}$. The dielectric constant of the insulator is
165985 A parallel plate capacitor has a capacity $80 \times$ $10^{-6} \mathrm{~F}$, when air is present between its plates. The space between the plates is filled with a dielectric slab of dielectric constant 20 . The capacitor is now connected to a battery of $30 \mathrm{~V}$ by wires. The dielectric slab is then removed. Then, the charge passing through the wire is