Electrical Energy And Capacitance (16)

12 Questions | Total Attempts: 116

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Electrical Energy And Capacitance (16) - Quiz

Multiple choice chapter 16


Questions and Answers
  • 1. 
    • A. 

      3.4e-16

    • B. 

      -3.4e-16

    • C. 

      2.5e-16

    • D. 

      -2.5e-16

    • E. 

      -1.6e-19

  • 2. 
    • A. 

      1.00e4

    • B. 

      1.60e-15

    • C. 

      1.60e-22

    • D. 

      6.25e22

    • E. 

      1.60e-19

  • 3. 
    • A. 

      140N/C

    • B. 

      -140N/C

    • C. 

      35N/C

    • D. 

      -35N/C

    • E. 

      -75N/C

  • 4. 
    • A. 

      7.91e5

    • B. 

      3.78e5

    • C. 

      2.13e5

    • D. 

      2.52e6

    • E. 

      3.01e8

  • 5. 
    • A. 

      The equivalent capacitance is greater than any of the individual capacitances

    • B. 

      The largest voltage appears across the capacitor with the smallest capacitance

    • C. 

      The largest voltage appears across the capacitor with the largest capacitance

    • D. 

      The capacitor with the largest capacitance has the greatest charge

    • E. 

      The capacitor with the smallest capacitance has the smallest charge

  • 6. 
    • A. 

      18e4

    • B. 

      4.5e4

    • C. 

      0

    • D. 

      -4.5e4

    • E. 

      9e4

  • 7. 
    • A. 

      88.5 pF

    • B. 

      177 pF

    • C. 

      8.85 uF

    • D. 

      100 uF

    • E. 

      354 uF

  • 8. 
    • A. 

      It remains the same

    • B. 

      It is doubled

    • C. 

      It decreases by factor of 2

    • D. 

      It decreases by factor of 4

    • E. 

      It increases by factor of 4

  • 9. 
     
    • A. 

      The voltage across the capacitor decreases by factor of 2

    • B. 

      The voltage across the capacitor is doubled

    • C. 

      The charge on the plates is doubled

    • D. 

      The charge on the plates decreases by factor of 2

    • E. 

      The electric field is doubled

  • 10. 
    • A. 

      Energy stored in the capacitor decreases

    • B. 

      Energy stored in the capacitor increases

    • C. 

      The electric field between the plates decreses

    • D. 

      The potential difference between the plates decreases

    • E. 

      The charge on the plates decreases

  • 11. 
    • A. 

      All capacitors have same charge and the equivalent capacitance is greater than the capacitance of any of the capacitors in the group

    • B. 

      The capacitor with the largest capacitance carries the smallest charge

    • C. 

      The potential difference across each capacitor is the same and the equivalent capacitance is greater than any of the capacitors in the groups

    • D. 

      The capacitor with the smallest capacitance carries the largest charge

    • E. 

      The potential differences across the capacitors are the same only if the capacitances are the same

  • 12. 
    A battery is attached across several different capacitors connected in series. Which of the following statements are true?
    • A. 

      All the capacitors have the same charge and the equivalent capacitance is less than the capacitance of any of the individual capacitors in the group and the largest potential difference appears across the capacitor with the smallest capacitance

    • B. 

      All the capacitors have the same charge and the equivalent capacitance is greater than any of the individual capacitors in the groups

    • C. 

      The capacitor with the largest capacitance carries the largest charge

    • D. 

      The potential difference across each capacitor must be the same

    • E. 

      The largest potential difference appears across the capacitor having the largest capacitance