Home
Class 12
PHYSICS
In the electric circuit shown , each ce...

In the electric circuit shown
, each cell has an e.m.f. of 2V and internal resistance of `1 Omega`. The external resistance is `2 Omega`. The value of the current `I` is (in A).

A

3

B

0.4

C

1.2

D

2

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

A battery having emf 4 V and internal resistance 0.5 Omega is connected with a resistance of 4.5 Omega . The voltage at the terminals of the battery now is

Eels are able to generate current with biological cells called electroplaques. The electroplaques are arranged in 100 rows, each row contains 5000 electroplaques. Each electroplaque has an e.m.f. of 0.15 V and internal resistance of 0.25 Omega . The water surrounding the eel completes a circuit between the head and tail. If water surrounding it has a resistance of 500 Omega , the current an eel can produce in water is about

An external resistance R is connected to a cell of internal resistance r . The current in the circuit is maximum when :

In the circuit shown , the internal resistance of the cell is negligible. The steady state current in the 2 Omega resistor is

Two batteries A and B each of e.m.f. 2V are connected in series to an external resistance R = 1 Omega . If the internal resistance of battery A is 1.9 Omega and that of B is 0.9 Omega . What is the potential difference between the terminals of battery A ?

An external resistance R is connected to a cell of internal resistance r. The current in the circuit is maximum when :