The specific resistivity of copper is 1.724 micro-ohm-cm. Compare the resistance of a copper rod A and rod B, if rod A is 1 meter long and has an area of 2 sq. cm, and rod B is 1/ 2 meter long and has an area of 4 sq. cm. Please answer with a complete solution.

Q: What is the resistance (in units of a) of a wire made of a material with a resistivity of 3.2 x 100.…

A: RESISTANCE

Q: A copper wire of length 2.5 m and cross-sectional area 2.4 x 10-7 m2 has a resistivity of 1.7 x 10-8…

A: Formula of resistance of wire is as follows: R=ρLA…

Q: The resistivity of silver ρ = 1.61 x 10-8 Ω.m.  If you have a length of silver wire that is 3.15 m…

A: the radius of the wire is 241 micro meter.the resistance of the wire is,

Q: Consider a resistor of resistivity 1.59x10^-8 ohms•m. If an electric field of 19 V/m is applied…

A: Let the resistivity of the material of the resistor ρ, the electric field applied on its ends be E,…

Q: A certain laboratory experiment requires an aluminum wire of length of 35.0m and a resistance of…

A:

Q: Assuming that you would want to make a uniform wire out of 5 grams of copper. If this wire is to…

A:

Q: When 100.0 V is applied across a 5-gauge (diameter 4.621 mm) wire that is 10 m long, the magnitude…

A: Given: Find  the resistivity of the wire Now,

Q: When a 30.0V battery is connected to a wire 50.0m in length with a resistivity of 2.25x10-7 Ωm. If a…

A: Given data:  Battery voltage (V) = 30.0 V Length (L) = 50.0 m Resistivity (ρ) = 2.25 × 10-7 Ωm…

Q: A copper wire is (50 m) long, and has a cross-sectional area of (5 mm²). a/ Calculate the resistance…

A: Given: The length of the wire is 50 m. The cross-sectional area of the wire is 5 mm2.

Q: A metallic wire is stretched from original length of 2 m to 6 m. If the original cross-sectional…

A: When a metallic wire is stretched, its length increases, cross sectional area decreases and volume…

Q: When a potential difference of 115 V is applied between the ends of a 9.66 m long wire, the current…

A:

Q: A potential difference of 3.00 µV is set up across a 2.00 cm length of a wire (with resistivity of…

A:

Q: What is the resistivity of a wire if it is subjected to a 2.50✕102 V/m electric field, and has a…

A: Given: E=2.50*102 V/mj=4.03*10-13 A/m2

Q: What is the resistance (in units of Q) of a wire made of a material with a resistivity of 3.2 x 10-8…

A: Given: The resistivity is ρ=3.2×10-8 Ωm. The length is L=10.6 m. The diameter is d=0.50 mm. The…

Q: An iron wire has a diameter 7.25 mm and resistivity 9.71x 10-8 Qm. What will be the length of this…

A: Answer             (a)  4251.534 m             (b) 2.5 ohm

Q: A copper wire has a length of 34.0 m and a resistance of 5.00 Q at 20.0°c. Assuming a circular…

A: Given- Length of copper wire l=34 m Resistance R=5Ω The resistivity of copper ρ=1.7×10-8 Ω-m

Q: The wire segment shown below is made of copper with a length of 300.0 m, across sectional area of…

A:

Q: The resistance of a carbon resistor at 20°C is 18 Ω. What would be the resistance at 120o C? (The…

A:

Q: A common flashlight bulb is rated at 0.30 A and 2.7 V (the values of the current and voltage under…

A: The resistance when the bulb is ON: R = VI = 2.70.3 =9Ω The temperature dependence on the resistance…

Q: The resistivity of gold at room temperature is 2.35 x 10-8 ohm-m. The temperature coefficient alpha…

A:

Q: A 20-meter length of wire with a diameter of 3.0 mm is found to have a resistance of 3.12 ohms. What…

A: The resistivity of the wire. given, diameter(d)= 3.0 mmor , radiusr=1.5 mm=1.5×10-3 mresistancer…

Q: A germanium wire is having a resistance of 26.40 and a radius of 26mm. The resistivity (p) of silver…

A:

Q: Calculate the resistance of an annealed copper wire of 710 m long and a diameter of 128 mils at 20 0…

A: The given length of the copper wire l = 710 m and the diameter of the wire is d = 128 mm  at 20oC…

Q: What is the resistivity of a wire of 0.76 mm diameter, 2.5 m length, and 71 mΩ resistance?

A: The given values are, d=0.76 mm=0.76×10-3 ml=2.5 mR=71 mΩ=71×10-3 Ωr=d2=0.76×10-3 m2=0.38×10-3 m

Q: A copper wire has a diameter 6.2 mm and resistivity 1.6 x 10-8 2m. What will be the length of this…

A:

Q: What is the resistance (in units of Q) of a wire made of a material with a resistivity of 3.2 x…

A: Given- Resistivity ρ=3.2×10-8Ω.m Length L=49.1 m Diameter d=0.50 mm=0.50×10-3m Radius…

Q: A one-meter of annealed copper 2.5 cm in diameter is drawn until its resistance is100 times the…

A: Original length of wire (L) = 1 m Original diameter (d) = 2.5 cm Let the original resistance = R New…

Q: A gold wire of 0.500 mm diameter has 8.20 × 1028 conduction electrons per cubic meter. If the drift…

A:

Q: What is the resistance (in units of N) of a wire made of a material with a resistivity of 3.2 × 10-8…

A:

Q: When a potential difference of 12 V is applied to a wire 7.2 m long and 0.32 mm in diameter the…

A:

Q: If a current of 5A flows through a conductor with a resistance of 7 ohms for 3 minutes, how many…

A:

Q: A conductor has a diameter of 2.59 mm. How many meters of this material are needed to yield a…

A: Resistivity of the conductor is ρ=1.77×10-8 Ω/m Diameter of the conductor d=2.59×10-3 m So, radius…

Q: Suppose you're using a copper wire that has a radius of 0.5 mm, is 3.8 m long, and has a resistivity…

A:

Q: Most telephone cables are made of copper wire of either 24 or 26 gauge. If the resistance of…

A:

Q: How long Lis a tungsten wire if it has a diameter of 0.173 x 10-3 m and a resistance of 2.77 k2? The…

A: Given Data:- The diameter of the tungsten wire is d = 0.173 x 10-3 m. The resistance of the…

Q: A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 41.0 Ω at 20°C. If its…

A:

Q: What is the resistivity of a wire of 1.0 mm diameter, 2.0 m length, and 50 m resistance?

A:

Q: A conductor has a diameter of 3.0 mm. How many meters of this material is needed to have a…

A: Given data: Diameter (D) = 3.0 mm = 3.0×10-3 m Resistance (R) = 1 Ω Resistivity (ρ) = 1.68×10-8 Ω.m…

Q: A wire of diameter 0.550 mm and length 45.0 m has a measured resistance of 2.80 Ω. What is the…

A: Given diameter of wire = 0.550 mm length of wire = 45.0 m resistance of of = 2.80 Ω We have to find…

Q: A gold wire of 0.500 mm diameter has 8.50 × 1028 conduction electrons per cubic meter. If the drift…

A: Given data:  Diameter (d) = 0.500 mm = 0.500×10-3 m Number of electrons per cubic meter (n) =…

Ohm's law

Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

Path of Least Resistance

In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.