Three cells of emf 1 V and iternal resis...

Three cells of emf 1 V and iternal resistance `1 Omega` each are connected as shown. Effective emf of combination between the points P and Q is-

Zero

1 V

2 V

`2/3 V`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

NEET MOCK TEST 4
NTA MOCK TESTS|Exercise PHYSICS|45 Videos
NEET MOCK TEST 8
NTA MOCK TESTS|Exercise PHYSICS - SINGLE CHOICE|45 Videos

Similar Questions

Explore conceptually related problems

Three batteries of emf 1V and internal resistance 1 Omega each are connected as shown. Effective emf of combination between the points PQ is –

Two cells of emf 1.25V,0.75V and each of internal resistance 1Omega are connected in parallel. The effective emf will be

Three identical cells of emf 2 V and internal resistances 0.20 Omega are connected in series. The combination is further connected to an external resistor of 6 Omega . Calculate the current through 6 Omega resistor.

Two batteries of emfs 2 V and 1 V of internal resistances 1Omega and 2Omega respectively are connected in parallel. The effective emf of the combination is

Two cells having emf's of 10 V and 8 V, and internal resistance of 1Omega (each) are connected as shown with an external resistance of 8Omega Find the current flowing through the circuit.

Ten cells each of emf 1 V and internal resistance 1Omega are connected inseries. In this arrangement, polarity of two cells is reversed and the system is connected to an external resistance of 2Omega . Find the current in the circuit.

Eight cells marked 1 to 8, each of emf 5 V and internal resistance 0.2 Omega are connected as shown. What is the reading of ideal voltmeter ?

Two batteries one of the emf 3V , internal resistance 1Omega and the other of emf 15 V , internal resistance 2Omega are connected in series with a resistance R as shown. If the potential difference between points a and b is zero, the resistance R in Omega is

NTA MOCK TESTS-NEET MOCK TEST 5-PHYSICS - SINGLE CHOICE

A bimetallic is made of two strips A and B having coefficients of line...
Text Solution
|
A wire of natural length l, young's modulus Y and area of cross-sectio...
Text Solution
|
A copper disc of radius 0.1 m is roated about its centre with 20 revol...
Text Solution
|
Figure shows the acceleration-time graphs of a particle. Which of the ...
Text Solution
|
A single slit of width b is illuminated by a coherent monochromatic li...
Text Solution
|
A given quantity of a ideal gas is at pressure P and absolute tempera...
Text Solution
|
The radiation emitted by a star A is 10,000 times that of the sun. If ...
Text Solution
|
How many times larger is the spacing between the energy levels with n=...
Text Solution
|
In the following, which one of the diodes is reverse biased ?
Text Solution
|
A bar magnet suspended in magnetic meridian executes oscillations with...
Text Solution
|
Three cells of emf 1 V and iternal resistance 1 Omega each are connect...
Text Solution
|
An elevator is going up. The variation in the velocity of the elevato...
Text Solution
|
When the angle of incidence on a material is 60^(@), the reflected lig...
Text Solution
|
When monochromatic radiation of intensity I falls on a metal surface, ...
Text Solution
|
A transformer of efficiency 90% has turns ratio 10 : 1. If the voltage...
Text Solution
|
Three particles start from the origin at the same time, one with a vel...
Text Solution
|
A laser beam is sent to the moon and reflected back to earth by a mirr...
Text Solution
|
The wheel of a toy car rotates about a fixed axes. It slows down from ...
Text Solution
|
The resultant of two vectors at right angles is 5 N. If the angle betw...
Text Solution
|
An electron having kinetic energy 10eV is circulating in a path of rad...
Text Solution
|