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NEET 2020
Exam
NEET
Year
2020
Subject
Physics
Chapter
Current Electricity

NEET 2020 · Physics · Current Electricity

Which of the following graph represents the variation of...

Which of the following graph represents the variation of resistivity (ρ)\left(ρ\right) with temperature (T)\left(T\right) for copper?Which of the following graph represents the variation of resistivity (ρ) with temperature (T) for copper?Which of the following graph represents the variation of resistivity (ρ) with temperature (T) for copper?Which of the following graph represents the variation of resistivity (ρ) with temperature (T) for copper?Which of the following graph represents the variation of resistivity (ρ) with temperature (T) for copper?

Options

  1. AThe integral ∫ (1 - 1 3 )( x - x) (1 + 2 3 2x) dx is equal to
  2. BThe integral ∫ (1 - 1 3 )( x - x) (1 + 2 3 2x) dx is equal to
  3. CThe integral ∫ (1 - 1 3 )( x - x) (1 + 2 3 2x) dx is equal to
  4. DThe integral ∫ (1 - 1 3 )( x - x) (1 + 2 3 2x) dx is equal to

Correct answer

C. The integral ∫ (1 - 1 3 )( x - x) (1 + 2 3 2x) dx is equal to

Step-by-step solution

For some metals like copper, resistivity is nearly proportional to temperature although a non linear region always exists at very low temperature. Relation between resistivity and temperature is given by (\rho=\rho_{\circ} e^{-a T})
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