T1 G12 Cw1

10 Questions | Total Attempts: 12

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T1 G12 Cw1

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Questions and Answers
  • 1. 
    What is the unit of Electric field?
    • A. 

      Newton

    • B. 

      Newton / Coulomb

    • C. 

      Coulomb

    • D. 

      Coulomb / Newton

    • E. 

      Coulomb / meter

  • 2. 
    Calculate the charge of a sphere that feels a force of 20 N in an electric field of 40 N/C
    • A. 

      0.5 C

    • B. 

      800 C

    • C. 

      60 C

    • D. 

      2 C

    • E. 

      20 C

  • 3. 
    Calculate the force a charge of 1.2 C feels in an Electric field of 30 N/C.
    • A. 

      36 N

    • B. 

      3.6 N

    • C. 

      0.025 N

    • D. 

      31.2 N

    • E. 

      28.8 N/C

  • 4. 
    Calculate the electric field caused by a charge of 7.2 × 10-15 C at a distance r = 6 × 10-3 m.
    • A. 

      1.8 N/C

    • B. 

      1.2 × 10^-12 N/C

    • C. 

      0.01 N/C

    • D. 

      18 N/C

    • E. 

      0.18 N/C

  • 5. 
    Calculate the Electric field if a charge of 0.5 C feels a force of 12 N. 
    • A. 

      24 N/C

    • B. 

      6 N/C

    • C. 

      12.5 N/C

    • D. 

      11.5 N/C

    • E. 

      0.041 N/C

  • 6. 
    What kind of charges do you see?
    • A. 

      A positive, B positive and C positive

    • B. 

      A negative, B positive and C positive

    • C. 

      A positive, B negative and C negative

    • D. 

      A positive, B positive and C negative

    • E. 

      A negative, B negative and C positive