CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

EMF and Terminal Voltage

when current ...

Question

when current supplied by a cell to a circuit is 0.3 A ,its terminal potential difference is 0.9 V. when the current supplied becomes 0.25 A , its terminal potential difference becomes 1.0 V . The internal resistance of the cell is

Open in App

Solution

Suggest Corrections

thumbs-up

0

Similar questions

Q. What do you understand by the internal resistance of a cell? The potential difference of a cell becomes

1.8 V

0.5 A

current is drown and when

1.0 A

current is drawn, it becomes

1.6 V

. Find the internal resistance of the cell and its e.m.f.

Q. For a cell Terminal potential difference is

2.2 V

when circuit is open and reduces to

1.8 V

when cell is connected to a resistance of

R = 5 Ω

. Determine internal resistance of cell (

r

)

Q. The potential difference in open circuit for a cell is

2.2 V

4 Ω

resistor is connected between its two electrodes the potential difference becomes

2 V

. The internal resistance of the cell will be

Q. The potential difference across the terminals of a battery is

8.4 V

when there is a current of

1.5 A

in the battery from the negative to the positive terminal. When the current is

3.5 A

in the reverse direction, the potential difference becomes

9.4 V

(a)

What is the internal resistance of the battery?

(b)

What is the EMF of the battery ?

Q. For a cell, the terminal potential difference is 2.2 V when the circuit is open and reduces to 1.8 V, when the cell is connected across a resistance,

R = 5 Ω

. The internal resistance of the cell is

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

EMF

PHYSICS

Watch in App

explore_more_icon

Explore more

EMF and Terminal Voltage

Standard X Physics

Join BYJU'S Learning Program

CrossIcon