Home
Class 12
PHYSICS
A battery of emf E and internal resistan...

A battery of emf E and internal resistance r is connected across a resistance R. Resistance R can be adjusted to any value greater then or equla to zero. A graph is plotted between the current passing through the resistance (I) and potential (V) across it. Select the correct alternatives.

A

internal resistance of battery is `5Omega`

B

emf of the battery is 20V

C

maximum current which can be taken from the battery is 4A

D

V-I graph can never be a straight line as shown in figure.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A battery of emf E and internal resistance r is connected across a resistance R. Resistance R can be adjusted to any value greater than or equal to zero. A graph is plotted between the current passing through the resistance (I) and potential difference across the termainals of the battery (V). Maximum power developed across the resistance R is

A battery of emf 2V and internal resistance 0.5(Omega) is connected across a resistance in 1 second?

A cell of emf E and internal resistance r is connected across an external resistance R . Plot a graph showing the variation o P.D . Across R , verses R .

A battery of e.m.f. 10 V and internal resistance 0.5 ohm is connected across a variable resistance R . The value of R for which the power delivered in it is maximum is given by

A battery is of emt E and internal resistance r . The value of external resistance R so that the power across eternal resistance is maximum :