Start learning →

Karnataka PUC II Current Electricity — practice questions — page 2

Explore 90 free Current Electricity questions in Karnataka PUC II Physics. Open each question or exercise to read its content, reference answers and available explanation.

Practise Current Electricity with Quill →

Current Electricity questions and exercises with answers

Showing questions 31–60 of 90.

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 →An electric current is constituted by:Read the answer and worked solution →Materials that carry current when a field is applied are:Read the answer and worked solution →Ohm's law states that V is proportional to:Read the answer and worked solution →Doubling the length of a conductor makes its resistance:Read the answer and worked solution →Halving the cross-section area of a conductor makes resistance:Read the answer and worked solution →The resistance inside a cell itself is called its:Read the answer and worked solution →Resistance is inversely proportional to the conductor's:Read the answer and worked solution →The average time between electron collisions is called:Read the answer and worked solution →The drift velocity of electrons points:Read the answer and worked solution →Drift velocity is small compared with the electrons':Read the answer and worked solution →Internal resistance of a cell may be neglected when it is:Read the answer and worked solution →Compared with electrolytic cells, dry cells have internal resistance that is:Read the answer and worked solution →Two cells joined can be replaced by one cell of equivalent:Read the answer and worked solution →How many rules did Kirchhoff give for circuit analysis?Read the answer and worked solution →Kirchhoff's junction rule for currents I1, I2 into a junction gives:Read the answer and worked solution →The quantity denoted by sigma, the inverse of resistivity, is:Read the answer and worked solution →Resistance depends on the material and on the conductor's:Read the answer and worked solution →If two identical slabs are joined end to end, the combined resistance is:Read the answer and worked solution →Match the current termRead the answer and worked solution →Raises or lowers resistance?Read the answer and worked solution →True or false about current electricityRead the answer and worked solution →Current electricity numbersRead the answer and worked solution →Complete Ohm's lawRead the answer and worked solution →

Worked practice questions

Spot the one that does not belong

Read exercise and reference answers
Questions
  1. Items
    1. Junction rule
    2. Loop rule
    3. Ohm's law
    Odd item
    Ohm's law
  2. Items
    1. Rubber
    2. Copper
    3. Silver
    Odd item
    Rubber
  3. Items
    1. Resistance
    2. Current density
    3. Resistivity
    Odd item
    Current density
  4. Items
    1. Silicon
    2. Germanium
    3. Glass
    Odd item
    Glass
Grouped by which summary point each comes from. Source: syllabus Physics Part I, Ch 3 Current Electricity.

Open this exercise →

Reading the definitions back

Read exercise and reference answers
Questions
  1. Question
    The unit of resistance is the
    Choices
    1. volt
    2. coulomb
    3. ohm
    Correct choice
    ohm
  2. Question
    Resistance R relates to length l and area A as
    Choices
    1. ρl/A
    2. ρA/l
    3. ρlA
    Correct choice
    ρl/A
  3. Question
    Current density j equals
    Choices
    1. nq/v_d
    2. nqv_d
    3. qv_d/n
    Correct choice
    nqv_d
  4. Question
    Which has the highest resistivity?
    Choices
    1. Copper
    2. Silicon
    3. Glass
    Correct choice
    Glass
Straight recall of the chapter's core definitions. Source: syllabus Physics Part I, Ch 3 Current Electricity.

Open this exercise →

Property of the object or of the substance?

Read exercise and reference answers
Items
  1. Item
    Resistance R
    Category
    Depends on the sample
  2. Item
    Changes if the wire is made longer
    Category
    Depends on the sample
  3. Item
    Changes if the wire is made thicker
    Category
    Depends on the sample
  4. Item
    Resistivity ρ
    Category
    Property of the material
  5. Item
    Same for any piece of copper
    Category
    Property of the material
Categories
  1. Item
    Depends on the sample
  2. Item
    Property of the material
Resistance changes if you cut the wire resistivity does not. Source: syllabus Physics Part I, Ch 3 Current Electricity.

Open this exercise →

How to practise

  1. Choose a Current Electricity question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

Put it into practice

Continue with Current Electricity practice for Karnataka PUC II. Read explanations as you go. No signup form needed to start.

Practise Current Electricity →

More Physics topics

Moving Charges and MagnetismElectromagnetic Induction & Alternating CurrentElectromagnetic WavesSemiconductor ElectronicsElectric Charges and FieldsDual Nature of Radiation and MatterRay Optics and Optical InstrumentsAtoms and Nuclei