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JEE Advanced Current Electricity — practice questions — page 3

Explore 70 free Current Electricity questions in JEE Advanced Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Current Electricity questions and exercises with answers

Showing questions 61–70 of 70.

Tap every statement true of drift velocityRead the answer and worked solution →Complete the temperature coefficient definitionRead the answer and worked solution →Flip and pair: symbol with quantityRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Reading the definitions backRead the answer and worked solution →Property of the object or of the substance?Read the answer and worked solution →Order the chain: field to currentRead the answer and worked solution →True or false: circuits and sourcesRead the answer and worked solution →Assertion and reason: circuitsRead the answer and worked solution →Tap every quantity the chapter treats as material-dependentRead the answer and worked solution →

Worked practice questions

Tap every statement true of drift velocity

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Questions
  1. Items
    1. Text
      It is an average velocity of the carriers
      Matches the category
      Yes
    2. Text
      It is proportional to the applied field
      Matches the category
      Yes
    3. Text
      It arises because electrons collide with ions
      Matches the category
      Yes
    4. Text
      It equals the speed of light
      Matches the category
      No
    5. Text
      It grows without limit under a steady field
      Matches the category
      No
    Category
    True of drift velocity
The collision picture is what makes drift velocity, rather than acceleration, the right quantity. Source: syllabus Physics Part I, Ch 3 Current Electricity.

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Complete the temperature coefficient definition

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Missing parts
  1. Answer
    fractional
    Choices
    1. fractional
    2. absolute
    3. squared
  2. Answer
    temperature
    Choices
    1. temperature
    2. current
    3. length
Complete the statement
The temperature coefficient of resistivity is the {0} increase in resistivity per unit increase in {1}.
As the chapter defines it, over the range where resistivity is linear in temperature. Source: syllabus Physics Part I, Ch 3 Current Electricity.

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Flip and pair: symbol with quantity

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Matching pairs
  1. A
    I
    B
    current
  2. A
    ρ
    B
    resistivity
  3. A
    R
    B
    resistance
  4. A
    ε
    B
    emf
  5. A
    r
    B
    internal resistance
  6. A
    v_d
    B
    drift velocity
The chapter's notation. Source: syllabus Physics Part I, Ch 3 Current Electricity.

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