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The resistivity of a material with resistance 200 ohm, length 10m and area twice that of the length is
- a)200
- b)300
- c)400
- d)500
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The resistivity of a material with resistance 200 ohm, length 10m and ...
Answer: c
Explanation: Resistance calculated from Ohm’s law and Stoke’s theorem will be R = ρL/A. To get resistivity, ρ = RA/L = 200 X 20/10 = 400.
Explanation: Resistance calculated from Ohm’s law and Stoke’s theorem will be R = ρL/A. To get resistivity, ρ = RA/L = 200 X 20/10 = 400.
Most Upvoted Answer
The resistivity of a material with resistance 200 ohm, length 10m and ...
Resistivity is a property of a material that describes how strongly it resists the flow of electric current. It is denoted by the symbol ρ (rho) and is measured in ohm-meters (Ω·m). The resistivity of a material can be calculated using the formula:
ρ = (RA)/L
Where:
ρ is the resistivity of the material,
R is the resistance of the material,
A is the cross-sectional area of the material, and
L is the length of the material.
According to the given information, the resistance of the material is 200 ohms, the length is 10 meters, and the area is twice the length. Let's substitute these values into the formula and solve for the resistivity:
ρ = (RA)/L
ρ = (200 * 2 * 10) / 10
ρ = 4000 / 10
ρ = 400 Ω·m
Therefore, the resistivity of the material is 400 ohm-meters.
ρ = (RA)/L
Where:
ρ is the resistivity of the material,
R is the resistance of the material,
A is the cross-sectional area of the material, and
L is the length of the material.
According to the given information, the resistance of the material is 200 ohms, the length is 10 meters, and the area is twice the length. Let's substitute these values into the formula and solve for the resistivity:
ρ = (RA)/L
ρ = (200 * 2 * 10) / 10
ρ = 4000 / 10
ρ = 400 Ω·m
Therefore, the resistivity of the material is 400 ohm-meters.
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The resistivity of a material with resistance 200 ohm, length 10m and area twice that of the length isa)200b)300c)400d)500Correct answer is option 'C'. Can you explain this answer? for Electrical Engineering (EE) 2025 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about The resistivity of a material with resistance 200 ohm, length 10m and area twice that of the length isa)200b)300c)400d)500Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The resistivity of a material with resistance 200 ohm, length 10m and area twice that of the length isa)200b)300c)400d)500Correct answer is option 'C'. Can you explain this answer?.
The resistivity of a material with resistance 200 ohm, length 10m and area twice that of the length isa)200b)300c)400d)500Correct answer is option 'C'. Can you explain this answer? for Electrical Engineering (EE) 2025 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about The resistivity of a material with resistance 200 ohm, length 10m and area twice that of the length isa)200b)300c)400d)500Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The resistivity of a material with resistance 200 ohm, length 10m and area twice that of the length isa)200b)300c)400d)500Correct answer is option 'C'. Can you explain this answer?.
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