A cell of emf E having an internal resis...

A cell of emf E having an internal resistance R varies with R as shown in figure by the curve

A) A

B) B

C) C

D) D

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

COMMUNICATION SYSTEM
DC PANDEY ENGLISH|Exercise Only One Option is Correct|27 Videos
ELASTICITY
DC PANDEY ENGLISH|Exercise Medical entrances s gallery|21 Videos

Similar Questions

Explore conceptually related problems

Current I is being driven through a cell of emf E and internal resistance r as shown in the figure. Choose the following correct statements.

Four idential cells each having e.m.f. E, internal resistance r are connected as shown in figure. Find the potential difference between: (i) A and B (ii) A and C

A cell of emf epsilon and internal resistance r is charged by a current I, then

Seven identical cells each of e.m.f. E and internal resistance r are connected as shown . The potential difference between A and B is

A cell of emf E has an internal resistance r & is connected to rheostat. When resistance R of rheostat is changed correct graph of potential difference across it is

A cell of emf E and internal resistance r is connected in series with an external resistance nr. Than what will be the ratio of the terminal potential difference to emf, if n=9.

A cell of e.mf. E and internal resistance r is connected in series with an external resistance nr. Then, the ratio of the terminal potential difference to E.M.F.is

Assertion:- To cells of unequal emf E_(1) and E_(2) having internal resistances r_(1) and r_(3) are connected as shown in figure. Then the potential difference across any cell cannot be zero. Reason:- If two cells having nonzero internal resistance and unequal emf are connected across each other as shown, then the current in the circuit cannot be zero.

Both terminals of a battery of emf E and internal resistance r are grounded as shown. Select the correct alternative(s).

N identical cells, each of emf epsilon and internal resistances r are joined in series. Out of these, n cells are wrongly connected, i.e. their terminals are connected in reverse order as required for series connection. If epsilon_(o) be the emf of the resulting battery and r_(o) be its internal resistance then for n lt N//2

DC PANDEY ENGLISH-CURRENT ELECTRICITY-All Questions

A galvanometer, together with an unknown resistance in series, is conn...
Text Solution
|
In the figur shown, the thermal power generated in 'Y' is maximum when...
Text Solution
|
A cell of emf E having an internal resistance R varies with R as shown...
Text Solution
|
Six wires each of resistance r form a tetrahedron. The equivalent resi...
Text Solution
|
A series parallel combination battery consisting of a large number N ...
Text Solution
|
One end of a Nichrome wire of length 2L and cross-sectional area A is ...
Text Solution
|
In the circuit shown, the resistance are given ohms and the battery is...
Text Solution
|
In the diagram, resistance between any two junction is R. Equivalent r...
Text Solution
|
A battery of emf E(0) = 12 V is connected across a 4 m long uniform wi...
Text Solution
|
In the circuit shown, what is the potential difference V(PQ)?
Text Solution
|
In an experiment, a graph was plotted of the potential difference V be...
Text Solution
|
In the circuit, 8 resistors of 2 Omega and 8 resistors of 4 Omega are ...
Text Solution
|
A battery of emf E and internal resistance r is connected across a res...
Text Solution
|
In the circuit shown in figure, the ratio
Text Solution
|
In the circuit shown in figure
Text Solution
|
A microammeter has as resistance of 100 Omega and full scale range of ...
Text Solution
|
In the circuit shown in figure
Text Solution
|
A voltmeter reads the potential difference across the terminals of an ...
Text Solution
|
A battery of emf E and internal resistance r is connected across a res...
Text Solution
|
In the circuit shown in figure
Text Solution
|