CapacitanceHard
Question
The value of a capacitor formed by a thin metallic foil is 2 μF. The foil is attatched to both sides of paper having a thickness of 0.015 mm. the dielectric constant of the paper is 2.5 and its breadth is 40 mm. The length of the foil used is :
Options
A.0.34 m
B.1.33 m
C.13.4 mm
D.33.9 m.
More Capacitance Questions
In a capacitor of capacitance 20 μF the distance between the plates is 2mm. If a dielectric slab of width 1 mm and ...A battery charges a parallel plate capacitor of distance (d) so that an energy (U0) is stored in the system. A slab of d...The equivalent capacitance between the points A and B in the given diagram is :...A heater coil connected to a supply of a 220 V is dissipating some power P1. The coil is cut into half and the two halve...Two spherical conductors A1 and A2 of radii r1 and r2 are placed concentrically in air. The two are connected by a coppe...