The specific resistance of the material ...

The specific resistance of the material of a wire is `'rho'` and its volume is `3m^3` and its resistance is `3 Omega `. The length of the wire will be

`(1)/(( sqrt(rho))`

`(3)/( sqrt((rho ))`

`( sqrt(3))/(rho)`

`(rho)/( sqrt(3))`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

APPENDICES ( REVISION EXERCISE )
AAKASH SERIES|Exercise REVISION EXERCISE (MOVING CHANGES & MEGNETISM)|95 Videos
APPENDICES ( REVISION EXERCISE )
AAKASH SERIES|Exercise REVISION EXERCISE (ELECTRIC POTENTIAL & CAPACITANCE )|143 Videos
ALTERNATING CURRENT
AAKASH SERIES|Exercise EXERCISE - III|39 Videos
APPENDICES (REVISION EXERCISE)
AAKASH SERIES|Exercise LAW OF MOTION|91 Videos

Similar Questions

Explore conceptually related problems

Specific resistance of a wire depends upon

When two resistances are connected in parallel then the equivalent resistance is __. When one of the resistance is removed then the effective resistance is 2Omega . The resistance of the wire removed will be

The resistance of the platinum wire of a platinum resistance thermometer at the ice point is 5 Omega and at steam point is 5.39 Omega . When the thermometer is inserted in a hot bath, the resistance of the platinum wire is 5.795 Omega . Calculate the temperature of the bath.

The resistance of a wire is 'R' ohm. If it is melted and stretched to 'n' times its original length, its new resistance will be:

A wire of silver has a resistance of 1 ohm. Specific resistance of constantan is 30 times the specific resistance of silver. Find the resistance of a constantan wire whose length is one third length of the silver wire and radius half the radius of the silver wire.

A platinum resistance thermometer reads. 0^(@) C when its resistance is 80 Omega and 100^(@) C when its resistance is 90 Omega . Find the temperature at the platinum scale at which the resistance is 86 Omega

A wire of length 1 m and radius 0.1 mn has a resistance of 100Omega . Find the resistivity of the material.

AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (CUTTENT ELECTRICITY )

In the given circuit Ammeter reading is same when both switches S1, S2...
Text Solution
|
In the circuit shown in figure, the potentials of B, C and D are:
Text Solution
|
The specific resistance of the material of a wire is 'rho' and its vol...
Text Solution
|
A hollow cylinder ( rho = 2.2 xx 10^(-8) Omega -m) of length 3 m has...
Text Solution
|
The sides of rectangular block are 2 cm, 3 cm and 4 cm. The ratio of t...
Text Solution
|
Two wires of equal diameters of resistivities rho1. and rho2 , lengths...
Text Solution
|
'n' conducting wires of same dimensions but having resistitives 1,2,3....
Text Solution
|
A copper of rod (resistivity 2.2 xx 10^(-8) Omega -m) and an iron (r...
Text Solution
|
Resistance of a wire is 8 Omega . It is drawn in such away that it exp...
Text Solution
|
Find the value of colour coded resistance shown is fig
Text Solution
|
The colour coded resistance of corbon resistance is (Initial three ban...
Text Solution
|
The colour coded carbon resistance has three bands. the bands from lef...
Text Solution
|
The third band in colour coded resistance represents
Text Solution
|
The resistance of the wire is 121 ohm. It is divided into 'n' equal pa...
Text Solution
|
When two resistance 10 Omega and 20 Omega are connected in series an...
Text Solution
|
When two resistances are connected in series. The effective resistance...
Text Solution
|
The resultant resistance of two resistance in series is 50 Omega and i...
Text Solution
|
A uniform wire is cut into 10 segments of increasing length. Each segm...
Text Solution
|
Two square metal plates A and B are of the same thickness and material...
Text Solution
|
Three unequal resistors in parallel are equivalent to a resistance 1 o...
Text Solution
|