EASY
12th Madhya Pradesh Board
IMPORTANT
Earn 100

A Leclanche cell is balanced on length 280 cm of the potentiometer wire. When a Daniel cell is joined in series with this cell, the balance point is obtained at 480 cm distance. Calculate the e.m.f.s of the two cells.

Important Questions on Electrostatic Potential and Capacitance

MEDIUM
12th Madhya Pradesh Board
IMPORTANT
Derive expression for the capacity of a parallel plate condenser. How can its capacity be increased?
HARD
12th Madhya Pradesh Board
IMPORTANT
Explain series combination and parallel combination of condensers with circuit diagram and obtain expressions for equivalent of both type of combinations.
HARD
12th Madhya Pradesh Board
IMPORTANT
Derive the expression for capacitance of a parallel plate capacitor. If a dielectric medium is placed in between the plates. How is its capacitance affected?