A meter bridge setup is shown in the fig...

A meter bridge setup is shown in the figure. If there is null deflection in galvanometer when length AC = 20 cm, then the value of resistance R is

`60Omega`

`30Omega`

`45Omega`

`10Omega`

Text Solution

Verified by Experts

Topper's Solved these Questions

TEST 1
AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|21 Videos
SYSTEM OF PARTICLES AND ROTATIONAL MOTION
AAKASH INSTITUTE ENGLISH|Exercise Try Yourself|63 Videos
TEST 2
AAKASH INSTITUTE ENGLISH|Exercise Exercise|308 Videos

Similar Questions

Explore conceptually related problems

Shown in the figure below is a meter- bridge set up will null deflection in the galvanometer. The value of the unknown resistor R is

In the circuit shown, the galvanometer shows zero current. The value of resistance R is :

In a meter bridge circuit as shown in the figure, the bridge is balanced when AJ = 20 cm. On interchanging P and Q the balance length shifts by

The metre bridge wire AB shown in the adjoining figure is 100 cm long when AD = 30 cm, no deflection occurs in the galvanometer. The value of R is

Statement I: In the meter bridge experiment shown in figure, the balance length AC corresponding to null deflection of the galvanometer is x. If the radius of the wire AB is doubled, the balanced length becomes 4x. Statement II: The resistance of a wire is inversely proportional to the square of its radius.

STATEMENT-1 : In the meter bridge experimeter shown in figure the balance length AC corresponding to null deflection of the galvanometer is x. If the radius of the wire AB is doubled, the balance length becomes 4x. and STATEMENT-2 : The resistance of a wire a inversely proportional to the square of its radius.

The given Wheatstone bridge is showing no deflection in the galvanometer joined between the points B and D in fig Find the value of R

In the figure, galvanometer G gives maximum deflection when

In the below circuit , AB is a wire of length 100 cm with 5Omega resistance . If there is no deflection in the galvanometer , the current flowing in the wire AB is

AAKASH INSTITUTE ENGLISH-TEST 1-EXERCISE

A meter bridge setup is shown in the figure. If there is null deflecti...
Text Solution
|
If a diaelectric material of dielectric constantepsilonr is completely...
Text Solution
|
Two identical electric dipoles of dipole moments p are placed as shown...
Text Solution
|
Four point charges each of magnitude Q and mass m are moving on circul...
Text Solution
|
Positive charge is uniformly distrubuted with volume charge density rh...
Text Solution
|
A wire AMB is placed along y-axis having linear charge density lambda ...
Text Solution
|
Two identical point charges are placed at A and B. The potential diffe...
Text Solution
|
The magnitude electric potential difference between A and B for a give...
Text Solution
|
The uniform electric field is along positive y-axis positive x axis ...
Text Solution
|
A short electric dipole having dipole moment overline rho is placed a...
Text Solution
|
There are three conducting concentric spherical shells having charges ...
Text Solution
|
there are two concentric metallic shells of radii R and 2R, if outer ...
Text Solution
|
An uncharged metallic solid sphere of radius R is placed at a distance...
Text Solution
|
There are two concentric conducting spherical shells of radii 10 cm an...
Text Solution
|
A parallel plate capacitor (not connected with battery) have charge Q0...
Text Solution
|
An arrangement of five identical capacitors are shown in given circuit...
Text Solution
|
A parallel plate capacitor charged to potential difference V0 . The va...
Text Solution
|
The area of cross section of a uniform cylindrical conducting wire is ...
Text Solution
|
Which one of the following relations is incorrect ? ( Symbols have the...
Text Solution
|
If two conducting wires Aand B of same dimensions have electron densit...
Text Solution
|
A current carrying conductor is connected with a cell, after some time...
Text Solution
|