An electric heater is made from nichrome wire. The heater has power of 60.0 W when the potential difference across its terminals is 12.0 V. Calculate the

Q: Calculate the resistivity of a material of a wire 10 m long. 0.2 mm in diameter and having a…

A: Given, Length L=10mdiameter D=0.2 mmResistance R=2.0Ω

Q: the 0.12-mm-diameter tungsten filament in a light bulb is to have a resistance of 0.2 £ at 20°C, ow…

A:

Q: Answer the following: a) A certain metal cable has a resistance R, and we have another cable of the…

A:

Q: A certain wire has resistance R. Another wire of the same material has half the length and half the…

A:

Q: 21. Determine the (i) nominal value, tolerance, and maximum-minimum resistance value of following…

A: (I) Nominal value is, 1.5 kΩ and tolerance is, ±5%. (II) Nominal value is, 2.5 MΩ and tolerance is,…

Q: A copper wire has a resistance of 0.500 n at 20.0 °C, and an iron wire has a resistance of 0.525 n…

A:

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: 7. Consider two (1 and 2) silver wires both of which have constant circular cross sec- tional areas…

A:

Q: slab y 2 cm a red 8 cm shape X 5 cm shown in Fig What is the resistance of the it along the z axis?…

A: we will need to use the formula for electrical resistanceResistance (R) = Resistivity (ρ) * (Length…

Q: How does the resistance of a metallic wire depend on its

A: Given;  Explain with reason, How does the resistance of a metallic wire depends on its temperature.

Q: The magnitude J of the current density in a certain wire with a circular cross section of radius…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: It is desired to build a copper wire of mass density Pm m=1 g. If the wire should have a resistance…

A:

Q: The potential difference of 1V was applied between the two ends of a copper wire with a length of…

A:

Q: You have a typical resistance of 100 kn. A) How much current could a 12V car battery pass through…

A:

Q: 1. (i) The resistance of a wire of 0.02 cm radius is 30. If the material is tungsten of resistivity…

A: Given data: Resistance of wire, R=3 Ω Radius of wire, r=0.02 cm=2×10-4m Resistivity of tungsten,…

Q: Suppose you wish to fabricate a uniform wire from a mass m of a metal with density p and resistivity…

A: (a) The length of the uniform wire The equation for the volume is  V=mρm The volume is written as…

Q: Two wires, A and B, are made from the same material. The length of A is twice the length of B, and…

A: The resistance is given  by the formula.R=ρlAWhere, l is length of the conductorA is cross section…

Q: 50 \( \Omega \) at 20 C, what is the measured temperature (in units of C) when its resistance is…

A: Initial temperature = T=20 °C Initial resistance = R = 50 ohm Final resistance = R'= 77.3 ohm…

Q: Exercice 1: a- find the current through a copper wire if Q=3 mc crosses in 3 minutes b- find the…

A: The flow of charge per unit time is known as electric current.Where,I = currentQ = charget = time

Q: Determine the (i) nominal value, tolerance, and maximum-minimum resistance value of following…

A:

Q: 5) A thin copper wire with a diameter 2.5 mm is connected to a 1.2-V potential difference, a current…

A: Diameter,  Potential difference,  Current,  Resistivity,

Q: 19) The resistance of R, is 50 and R, is 100. R, is made of a nichrome wire (resistivity of 1.5 x 10…

A: The resistance R and the resistivity ρ of a wire are related to each other by the formula, R=ρLA…

Q: Identify the temperature at which the resistance of copper would be double of its resistance at oC.…

A: B

Q: Remote control is connected to a stereo by 20 m distance by using copper wire. This copper wire has…

A: As it is a multiple questions, I answer first question. Please resubmit the second…

Q: If the 0.1-mm-diameter tungsten filament in a light bulb is to have a resistance of 0.25 £2 at 20°C…

A: Given data:  Diameter (d) = 0.1 mm = 0.1×10-3 mResistance (R) = 0.25 ΩResistivity (ρ) = 5.60×10-8…

Q: 4) A copper wire has a diameter of 1.60mm and carrier a current of 2.5A. Given the density of free…

A: diameter, d = 1.60 mm current, I = 2.5 A number of electrons density, n = 8.5 x 1028  Resistivity, ρ…

Q: A heating element is made by maintaining a potential difference of 71.0 V across the length of a…

A: Given that-Potential difference, V= 71 VoltCross-sectional area= 3.56×10-6 m2Resistivity, ρ=…

Q: 3- The resistance of a copper wire is 3.35 0 at 0 °C. What is its resistance at 50 °C? For copper, a…

A:

Q: A resistor has a temperature coefficient of 0.0009/9C. If the resistor has a resistance of 450 2 at…

A: The resistance of an circuit is the opposition that a circuit offers to the current that flows…

Q: The total charge entering a terminal is given by q = 2e3t cos (6rt), in µC. Determine the current at…

A: Given:Total charge entering a terminal, q = 2e3t cos 6πttime, t = 0.25 s

Q: When a resistor of 5 2 resistance is connected across a cell, its terminal potential difference is…

A: To find- Terminal resistance of cell (r)=? Given- R1=5 ohm l1=150 cm R2=10 ohm l2=175 cm

Q: th a diameter of 1.3 cm, calculate its resistance. Determine the voltage drop over the brass wire…

A: Length of Brass wire,                           Diameter of Brass wire,…