Two wires of the same material are given...

Two wires of the same material are given. The first wire is twice as long as the second and has twice the diameter of the second. The resistance of the first will be

Twice of the second

Half of the second

Equal to the second

Four times of the second

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

CURRENT ELECTRICITY
ERRORLESS |Exercise Kirchhoff s Law, cells|8 Videos
CURRENT ELECTRICITY
ERRORLESS |Exercise Different Measuring Instruments|1 Videos
COMMUNICATION SYSTEM
ERRORLESS |Exercise S E T|14 Videos
ELECTRO MAGNETIC INDUCTION
ERRORLESS |Exercise SET|20 Videos

Similar Questions

Explore conceptually related problems

Two strings of same material are joined to form a large string and is stretched between rigid supports. The diameter of the second string is twice that of the first. It was observed in an experiment that the whole string was oscillating in 4 loops with a node at the joint. Find the possible lengths of the second string if the length of first string is 90 cm.

The average of three number is 77 . The first number is twice the second and the second number is twice the third. The first number is :

The average of three numbers is 77. The first number is twice the second and the second number is twice the third.The first number is

Two uniform wires of a the same material are vibrating under the same tension. If the first overtone of the first wire is equal to the second overtone of the second wire and radius of the first wire is twice the radius of the second wire, then the ratio of the lengths of the first wire to second wire is

Two wires are made of same metal. The length of the first wire is half that of the second wire and its diameter is double that of the second wire. If equal loads are applied on both wires, find the ratio of increases in their lengths.

Two wires A and B equal mass and of the same metal are taken. The diameter of the wire A is half the diameter of wire B. If the resistance of wire A is 24 Omega , calculatate the resistance of wire B.

There are two wires of same material and same length while the diameter of second wire is 2 times the diameter of first wire, then ratio of extension produced in the wires by applying same load will be

ERRORLESS -CURRENT ELECTRICITY-Self Evaluation Test -19

Two wires of the same material are given. The first wire is twice as l...
Text Solution
|
Figure 6.51 shows a simple a potentiometer circuit for measuring a sma...
Text Solution
|
A car has a fresh storage battery of emf 12 V and internal resistance ...
Text Solution
|
If the balance point is obtained at the 35th cm in a metre bridge the ...
Text Solution
|
The equivalent resistance across the terminals of source of e.m.f. 24 ...
Text Solution
|
In the circuit shown in figure, switch S is initially closed and S i...
Text Solution
|
The figure here shows a portion of a circuit. What are the magnitude a...
Text Solution
|
A carbon resistor has colour strips as violet, yellow brown and golden...
Text Solution
|
A voltmeter of resistance 1000 Omega is connected across a resistance ...
Text Solution
|
A beam contains 2 xx 10^(8) doubly charged positive ions per cubic cen...
Text Solution
|
In the circuit shown, the reading of ammeter when switch S is open ...
Text Solution
|
In the circuit as shown in figure the
Text Solution
|
In figure shows a rectangular block with dimensions x , 2 x and 4 x ....
Text Solution
|
A battery is connected to a uniform resistance wire AB and B is eart...
Text Solution
|
A cylindrical metal wire of length l and cross sections area S , has...
Text Solution
|
A potential divider is used to give outputs of 4 V and 8 V from a 12 V...
Text Solution
|
Find equivalent resistance between A and B
Text Solution
|
Following figures show four situations in which positive and negative ...
Text Solution
|
A and B are two square plates of same metal and same thickness but len...
Text Solution
|
A moving coil galvanometer is converted into an ammeter reads upto 0.0...
Text Solution
|
Two conductors are made of the same material and have the same length....
Text Solution
|