The resistance of each arm of the wheat ...

The resistance of each arm of the wheat stone bridge is `10Omega`. A resistance of `10Omega `is connected in series with galvanometer then the equivalent resistance across the battery will be

`10 Omega`

`15 Omega`

`20 Omega`

`40 Omega`

Text Solution

Verified by Experts

Topper's Solved these Questions

TEXTUAL QUESTIONS
MODERN PUBLICATION|Exercise EXERCISE|507 Videos
STRUCTURE OF NUCLEUS
MODERN PUBLICATION|Exercise EXERCISE|47 Videos
TEXUAL QUESTIONS
MODERN PUBLICATION|Exercise EXERCISE|195 Videos

Similar Questions

Explore conceptually related problems

Eight resistances each of 4 Omega are connected in the circuit as shown in fig. The equivalent resistance between A and B is:

In a Wheatstone's brigde all the four arms have equal resistance R. If the resistance of the galvanometer arm is also R, the equivalent resistance of the combination as seen b the battery is

A wire of resistance 10Omega is elongated by 10%. The resistance of the eleongated wire is

Three resistance P, Q, R each of 2 Omega and an unknown resistance S from the four amrs of a Wheatstone's bridge circuit. When a resistance of 6 Omega is connected in parallel to S the bridge gets balanced. What is the value of S ?

Ten identical wires each having a resistance of 1Omega are connected in parallel. The combination will have a resistance of

The resistances of the four sides of square ABCD are 10Omega, 5Omega, 7Omega and 3Omega in that order. A resistance of 10Omega is connected in between A and C . Calcualte the equivalent resistance between A and B.

When a resistor of 20 Omega is connected in series with a battery, the current is 0.5 A. when a resistor of 10 Omega is connected the current becomes 0.8 A. calculate the emf and the internal resistance of the battery.

A bulb whose resistance is 10 ohm is connected to a 6 V battery. Calculate the potential difference across the bulb.

MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE

For the network shown in the figure , the value of the current I is
Text Solution
|
A bridge circuit is shown in the figure. The equivalent resistance bet...
Text Solution
|
The resistance of each arm of the wheat stone bridge is 10Omega. A res...
Text Solution
|
In the circuit shown, if a conducting wire is connected between the po...
Text Solution
|
In a metre bridge, the balancing length form the left end is focused t...
Text Solution
|
Three resistance P, Q, R each of 2 Omega and an unknown resistance S f...
Text Solution
|
An unknown resistance R(1) is connected is series with a resistance of...
Text Solution
|
Why voltmeter less accurate in measuring potential difference than a p...
Text Solution
|
The resistivity of potentiometer wire is 10^-7 ohm m and its area of c...
Text Solution
|
A 6 V battery is connected to the terminals of a 3 m long wire of unif...
Text Solution
|
A cell can be balanced against 110 cm and 100 cm of potentiometer wire...
Text Solution
|
A steady current flows in a metallic conductor of non-uniform cross-se...
Text Solution
|
Which of the following relation is called as current density?
Text Solution
|
Dimenstions of electrical resistance is
Text Solution
|
A wire of length l is drawn such that its diameter is reduced to half ...
Text Solution
|
A wire of radius r has resistance R . If it is stretched to the wre of...
Text Solution
|
An electric bulb marked 40W-200 V is used in a circuit of supply volta...
Text Solution
|
Ten identical wires each having a resistance of 1Omega are connected i...
Text Solution
|
Two resistance filaments of same length are connected first in series ...
Text Solution
|
The internal resistance of a cell of e.m.f. 2 V is 0.1 Omega. It is co...
Text Solution
|