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Recent questions tagged effect-of-dielectric-on-capacitance

The capacitor plates are fixed on inclined plane p connected to a battery of emf E. A dielectric slab of mass m and dielectric constant k is inserted into the capacitor and tied to mass M using a weightless string as shown. If capacitance have plate area A, length l and distance d between them. Find M such that slab stays in equilibrium. Assume zero friction between slab and plates

asked Jan 13, 2014 by meena.p

1 answer

A cylindrical layer of homogeneous dielectric with dielectric constant K is introduced in a cylindrical capacitor so that a gap of width d is filled in between them. Radius of plate $R > > d$. If the capacitor is connected to battery of EMF V, the force pulling the dielectric inside the capacitor is :

asked Jan 13, 2014 by meena.p

1 answer

Capacitance of capacitor becomes $\large\frac{4}{3}$ times its original value if a dielectric slab of thickness $\large\frac{d}{2}$ is inserted b/w the plates (d= seperation between the plates) . The dielectric constant of the slab is:

asked Jan 8, 2014 by meena.p

1 answer

If the space between two plates of a capacitor is filled with liquid of dielectric constant K, the capacitance of the capacitor:

asked Dec 20, 2013 by balaji.thirumalai

1 answer

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