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What is the formula for area of wire?
how to calculate area of a wire
How do you calculate the area of the multi strand wire?
To calculate the area of a multi-strand wire you use the formula D = square root of (4S divided by pi), where S equals the number of strands times the area of one strand.
How do you calculate resistance of 70mm2 single core wire?
How do you calculate Resistance of 70mm2 single core wire?Read more: How_do_you_calculate_resistence_of_70mm2_single_core_wire
How do i calculate the new conductance of a wire if the conductance of the wire is 100 S and the area of the wire is increased by 23 and the length is reduced by the same amount?
To calculate the new conductance, simply multiply the initial conductance by the change in area: 100 S * 23 = 2300 S. Since the length of the wire is reduced by the same amount as the area is increased, the overall conductance remains the same.
Calculate cross sectional area of wire?
If the wire has a circular cross-section - the usual case - use the formula for the circle: pi x radius squared.
What is the formula to calculate length of the wire?
There is no formula to calculate the length of a wire. The length of a wire is determined by the distance from the power source to where the load is situated.
Would have the same resistance as a copper wire that is 4 m long and has a cross-sectional area of 0.066 cm2?
A wire with the same resistance as the given copper wire would have the same resistivity as copper. The resistance of a wire is dependent on its resistivity, length, and cross-sectional area. To calculate the resistance of a wire, use the formula R = (resistivity * length) / area; however, without the specific resistivity value, an exact value cannot be provided.
How can i calculate amperes for transformers?
Find the wire from the secondary of the transformer. If it's a step-down transformer the thicker wire is the secondary. Measure its diameter in inches and calculate its cross-section area in square inches. The current rating for transformer wire is 1000 amps per square inch, or 1.55 amps per square mm.
What instrument can be used to measure wire size?
A Vernier caliper, or a micrometer can measure diameter real well, and from that it's easy to calculate area.
How do you find the area of a wire?
To find the area of a wire, you typically calculate the cross-sectional area, which is often circular. If the wire has a circular cross-section, you can use the formula ( A = \pi r^2 ), where ( r ) is the radius of the wire. If the diameter is given instead, you can use ( A = \frac{\pi d^2}{4} ), where ( d ) is the diameter. For non-circular wires, you would need to use the appropriate geometric formula based on its shape.
Number 10 wire has a diameter of 2.59mm. Density of aluminum 2.8x10-3 ohm m. How many meters of number 10 aluminum wire are needed to give a resistance of 1ohm?
To calculate the length of the wire needed, you first find the cross-sectional area of the wire using the formula for the area of a circle (A = πr^2), where the radius is half the diameter. Then, you can calculate the length using the formula R = ρ * (L/A), where R is the resistance, ρ is the resistivity of aluminum, L is the length of the wire, and A is the cross-sectional area. Substituting the values of 1 ohm for resistance, 2.59mm for diameter, and 2.8x10^-3 ohm m for resistivity, you can solve for the length of wire needed.
How do you find percentage reduction in wire drawing?
To find the percentage reduction in wire drawing, first calculate the reduction in cross-sectional area using the formula: ( \text{Reduction} = \frac{A_0 - A_f}{A_0} \times 100 ), where ( A_0 ) is the original cross-sectional area and ( A_f ) is the final cross-sectional area after drawing. Subtract the final area from the original area, divide by the original area, and then multiply by 100 to express it as a percentage. This gives the percentage reduction in the wire's cross-sectional area due to the drawing process.
