copper wire length of 250m nd radius of 1mm 20 degree c 1.70x10^-8 Resistance of wire?

Question

Question

copper wire length of 250m nd radius of 1mm

20 degree c 1.70x10^-8

Resistance of wire?

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

(1 point) 8. At 20°C, a length of copper wire has a resistance of 5.0 Ω...

(1 point) 8. At 20°C, a length of copper wire has a resistance of 5.0 Ω What is its resistance when the wire is heated to 80°C? Let α-0.004 at 20°C 01.2Ω 07.5 Ω 06.2 Ω 010 Ω
At 20°C, a length of copper wire has a resistance of 5.0Ω. What is its resistance...

At 20°C, a length of copper wire has a resistance of 5.0Ω. What is its resistance when the wire is heated to 80°C? Let a = 0.004 at 20°C.
A length of AWG #12 copper wire has a resistance of 0.020 Ohms at 20 °C....

A length of AWG #12 copper wire has a resistance of 0.020 Ohms at 20 °C. Calculate the temperature for which the resistance is 0.023 Ohms.

3. Copper wire #1 has a length L and a radius b. Copper wire #2 has...

3. Copper wire #1 has a length L and a radius b. Copper wire #2 has a length 2L and a radius 2b. Which statement is true? (a) The total resistance of wire #1 is twice as high as that of wire #2. (b) The total resistance of wire #1 is equal to that of wire #2. ( The total resistance of wire #1 is half that of wire #2. (d) The total resistance of wire #1 is four times...
4. (SI units) What is the resistance R of a length of copper wire whose length-20...

4. (SI units) What is the resistance R of a length of copper wire whose length-20 m and whose diameter 0.40 mm, check table 4.3?
A 62.5 m length of insulated copper wire is wound to form a solenoid of radius 2.3 cm. The copper wire has a radius of 0.51mm. (Assume the resistivity of copper is ρ = 1.7 ✕ 10−8 Ω · m.) (a) What is t...

A 62.5 m length of insulated copper wire is wound to form a solenoid of radius 2.3 cm. The copper wire has a radius of 0.51mm. (Assume the resistivity of copper is ρ = 1.7 ✕ 10−8 Ω · m.) (a) What is the resistance of the wire? Ω (b) Treating each turn of the solenoid as a circle, how many turns can be made with the wire? turns (c) How long is the resulting solenoid? m (d) What is...

A 57.0 m length of insulated copper wire is wound to form a solenoid of radius...

A 57.0 m length of insulated copper wire is wound to form a solenoid of radius 2.1 cm. The copper wire has a radius of 0.51 mm. (Assume the resistivity of copper is ρ = 1.7 ✕ 10−8 Ω · m.) (a) If the solenoid is attached to a battery with an emf of 6.0 V and internal resistance of 350 mΩ, compute the time constant of the circuit. ____________ms (b) How long would it take to reach 99.9% of...
A 62.5 m length of insulated copper wire is wound to form a solenoid of radius...

A 62.5 m length of insulated copper wire is wound to form a solenoid of radius 2.3 cm. The copper wire has a radius of 0.51mm. (Assume the resistivity of copper is ρ = 1.7 ✕ 10−8 Ω · m.) (a) What is the resistance of the wire? Ω (b) Treating each turn of the solenoid as a circle, how many turns can be made with the wire? turns (c) How long is the resulting solenoid? m (d) What is...
The resistance of a 50 m long copper wire is 0.267 Ω at 20 °C. Calculate...

The resistance of a 50 m long copper wire is 0.267 Ω at 20 °C. Calculate the diameter of the wire. The resistivity of copper is 1.68 x 10-8 Ωm.

Now let’s see how temperature affects the resistance of copper wire. A length of 18 gauge...

Now let’s see how temperature affects the resistance of copper wire. A length of 18 gauge copper wire with a diameter of 1.02 mm and a cross-sectional area of 8.20×10−7 m2 has a resistance of 1.02 Ω at a temperature of 20 ∘C. Find the resistance at 0 ∘C and at 100 ∘C. The temperature coefficient of resistivity of copper is 0.0039 (C∘)−1. On a hot summer day in Death Valley, the resistance is 1.15 Ω. What is the temperature?