A cell having an emf E and internal resistance r is connected across a variable external resista....

Channel:
PW Solutions
Subscribers:
456,000
Published on ● Video Link: https://www.youtube.com/watch?v=StNyji8K1GE


Duration: 2:22
0 views
0

A cell having an emf E and internal resistance r is connected across a variable external resistance. The resistance R is increased. The plot of potential difference V across R v/s R is given by πŸ“²PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2024-05-09An electron in a hydrogen atom is considered to be revolving around a proton with a velocity e2n....
2024-05-09A metal rod of square cross-section area A has a length l and a current I is flowing through it,....
2024-05-09If a wire is stretched to double its length. What will be its new resistivity?....
2024-05-09Two wire one of copper and other of manganin have same resistance and equal length. Which wire i....
2024-05-09Assertion (A): Direction of current cannot be from negative potential to positive potential in a....
2024-05-09Assertion (A): Potential measured by a voltmeter across a wire is always less than actual potent....
2024-05-09In the circuit shown, initially there is no charge on capacitors and keys S1 and S2 are open. Th....
2024-05-09A current flows in a wire of circular cross-section with the free electrons travelling with a dr....
2024-05-09Five resistances are combined according to the figure. The equivalent resistance between the poi....
2024-05-09A primary cell has an emf of 1.5 volts. When short-circuited it gives a current of 3 amperes. Th....
2024-05-09A cell having an emf E and internal resistance r is connected across a variable external resista....
2024-05-09The reciprocal of resistivity is called....
2024-05-09Number of oxygen atoms present in chemical formula of fuming sulphuric acid is ____ .....
2024-05-09The opposition offered by the electrolyte of the cell to the flow of current through itself is k....
2024-05-09A silver wire has a resistance of 2.1 W at 27.5°C and a resistance of 2.7 W at 100°C. Wh....
2024-05-09Which of the following is non-ohmic resistance? ....
2024-05-09In the circuit shown, a four wire potentiometer is made of a 400 cm long wire, which extends bet....
2024-05-09Current density is a ....
2024-05-09The rate of flow of electric charges through any cross-section of a conductor is known as ....
2024-05-09The resistance of a galvanometer is 50 ohm and the maximum current which can be passed through i....
2024-05-09In order to measure the internal resistance r1 of a cell of emf E, a meter bridge of wire resist....