CapacitanceHard

Question

fully charged capacitor has a capacitance ′C′ it is discharged through a small coil of resistance wire embedded in a thermally insulated block of specific heat capacity ′s′ and mass ′m′. If the temperature of the block is raised by ′ᐃT′. The potential difference V across the capacitance is

Options

A.
B.
C.
D.

Solution

Dimensionally only 4th option is correct.
Approach should be energy balance  1/2CV2 = msᐃT

Create a free account to view solution

View Solution Free
Topic: Capacitance·Practice all Capacitance questions

More Capacitance Questions

Capacitor C1 of the capacitance 1 microfarad and capacitor C2 of capacitance 2 microfarad are separately charged fully b...Seven capacitors each of capacitance 2μF are to be so connected to have total capacity μF. Which will be the n...Rows of capacitors containing 1,2,4,8,..........∞ capacitors, each of capacitance 2F, are connected in parallel as...Two capacitors of value 0.3 μF and 0. 6μF are connected in series with a source of 6 volt, then the ratio of e...A conducting wire of length l and mass m can slide without friction on two parallel rails and is connected to capacitanc...