What is the formula for calculating the cross-sectional area of an electrical wire for a certain ampere? - Quora
Calculate the electric field in a copper wire of cross sectional area 2mm^2 carrying a current of 2 ampere; given that resistivity of copper wire is 1.7×10^ 8 ohm m.
a wire of uniform cross section area is bent into a circuar loop of radius R . consider two points A and B on the loop , such that angle AOB =X .
![SOLVED: A wire of outer diameter 5 mm has insulation 0.5 mm thick. What is the cross-sectional area A of the inner copper wire? 1. 16 mm^2 2. 25 mm^2 3. 6.25 mm^2 4. 4 mm^2 SOLVED: A wire of outer diameter 5 mm has insulation 0.5 mm thick. What is the cross-sectional area A of the inner copper wire? 1. 16 mm^2 2. 25 mm^2 3. 6.25 mm^2 4. 4 mm^2](https://cdn.numerade.com/ask_images/8be5cd273d4c478ab0f4468cd7511754.jpg)
SOLVED: A wire of outer diameter 5 mm has insulation 0.5 mm thick. What is the cross-sectional area A of the inner copper wire? 1. 16 mm^2 2. 25 mm^2 3. 6.25 mm^2 4. 4 mm^2
8.nd the resistance of variable cross section wire having radious small section a large section b. And length of wire L. (resistivity of wire is given rho)
![A wire having cross-sectional area S is attached to wall on one side and a block of mass M on the other side which placed on a horizontal surface having coefficient of A wire having cross-sectional area S is attached to wall on one side and a block of mass M on the other side which placed on a horizontal surface having coefficient of](https://toppr-doubts-media.s3.amazonaws.com/images/4294897/7f4f30a3-871c-4d60-87a0-83821c326ced.jpg)
A wire having cross-sectional area S is attached to wall on one side and a block of mass M on the other side which placed on a horizontal surface having coefficient of
![Ratio of resistiviities of wires X and Y – effect of diameter on cross-sectional area | Evan's Space Ratio of resistiviities of wires X and Y – effect of diameter on cross-sectional area | Evan's Space](https://evantoh23.files.wordpress.com/2015/09/notes-page17.jpg)
Ratio of resistiviities of wires X and Y – effect of diameter on cross-sectional area | Evan's Space
![homework and exercises - If the cross-sectional area of a wire doubles shouldn't the current also double? - Physics Stack Exchange homework and exercises - If the cross-sectional area of a wire doubles shouldn't the current also double? - Physics Stack Exchange](https://i.stack.imgur.com/Eqquh.png)
homework and exercises - If the cross-sectional area of a wire doubles shouldn't the current also double? - Physics Stack Exchange
![A wire of cross-sectional area 4 x 10-4 m2 , modulus of elasticity 2 x 1011 N/m2 , and length 1 m, is stretched between two vertical rigid poles. A mass of A wire of cross-sectional area 4 x 10-4 m2 , modulus of elasticity 2 x 1011 N/m2 , and length 1 m, is stretched between two vertical rigid poles. A mass of](https://toppr-doubts-media.s3.amazonaws.com/images/11991737/6a0e320e-9b74-4a21-9a8a-35cf329aeef4.jpg)
A wire of cross-sectional area 4 x 10-4 m2 , modulus of elasticity 2 x 1011 N/m2 , and length 1 m, is stretched between two vertical rigid poles. A mass of
![10) Area of cross-section of a copper wire is equal to area of a square of 2 mm side. It carries a current of 8 A. Then the drift velocity of electrons 10) Area of cross-section of a copper wire is equal to area of a square of 2 mm side. It carries a current of 8 A. Then the drift velocity of electrons](https://toppr-doubts-media.s3.amazonaws.com/images/13110198/e5a5a597-68a7-40d6-82d4-100c2749d6f7.jpg)