Current Electricity and Electrical InstrumentMedium
Question
If internal resistance of a cell is proportional to current drawn from the cell. Then the best representation of terminal potential difference of a cell with current drawn from cell will be:
Options
A.
B.
C.
D.
Solution
Given r ∝ i ⇒ r = ki V = E - ir = E - (ki)
Create a free account to view solution
View Solution FreeTopic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
N sources of current with different emf′s are connected as shown in figure. The emf′s of the sources are pro...A wire when connected to 220 V mains supply has power dissipation P1. Now the wire is cut into two equal pieces which ar...The electric field ′E′ is uniform in the shaded area and makes an angle θ with the normal. The conducti...In the given circuit at t = 0 switch is on. Then after how much time voltage across resistance is 37 volt...Four equal resistors, each of resistance 10 ohm are connected as shown in the adjoining circuit diagram. Then the equiva...