Home
Class 12
PHYSICS
A cell whose e.m.f. is 2V and internal r...

A cell whose e.m.f. is 2V and internal resistance is `0.1Omega` is connected with a resistance of `3.9Omega` the voltage across the cell terminal will be

A

0.5 V

B

1.9 V

C

1.95 V

D

72 V

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - III LEVEL-II (ADVANCED) (More than One correct answer Type Questions))|2 Videos
  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - IV LEVEL-I (MAIN) (Straight Objective Type Questions))|5 Videos
  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II LEVEL-II (ADVANCED) (Integer Type Questions))|1 Videos
  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|26 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise PRACTICE EXERCISEX|44 Videos

Similar Questions

Explore conceptually related problems

24 cells, each of emf 1.5V and internal resistance is 2Omega connected to 12Omega series external resistance. Then,

Four cells each of emf 2V and internal resistance 1 ohm are connected in parallel with an external resistance of 6 ohm. The current in the external resistance is

A cell of emf E having an internal resistance r is connected to an external resistance R. The potential difference V across the resistance R varies with R as shown in figure by the curve: R

(a) Six lead-acid type of secondary cells each of emf 2.0 V and internal resistacne 0.015Omega are joined in series to provide a supply to a resistance of 8.5 Omega. What are the current drawn from the suply and its terminal voltage ? (b) A secondary cell after long use has an emf of 1.9 V and a large internal resistance of 380 Omega. What maximum current can be drawn from the cell? Could the cell drive tghe starting motor of a car ?

If the external resistance is equal to the internal resistance of a cell of emf E. The p.d. across its terminal is