4 A voltmeter is connected in parallel with a variable

Last updated: 6/14/2023

4 A voltmeter is connected in parallel with a variable resistance R which is in series with an ammeter and a cell as shown in the figure For one value of R the meters read 0 3 A and 0 9 V For another value of R the readings are 0 25 A and 1 0 V What is the internal resistance of the cell F 1 0 5 Q 2 2 Q 3 1 2 Q G WWR