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15 questions
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  • Q1
    What is the name of this device that is used to detect charges?
    Electroscope
    Van de Graff Generator
    Beaker
    Chartometer
    60s
  • Q2
    If two rods have the same charge, what will happen if you place them close to each other?
    It will pop.
    They will be attracted.
    They will push each other away.
    Nothing will happen.
    60s
  • Q3
    What is the unit of electric charge?
    Amps
    Volts
    Ohms
    Coulombs
    60s
  • Q4
    What variables affect the magnitude of the electric force between two objects with charge?
    Distance between the charges.
    Charge of the second object.
    Charge of the first object.
    All of the answers.
    60s
  • Q5
    After you rub a balloon on your hair, the balloon has a negative charge. What charge does your hair have?
    Positive and Negative
    Negative
    Positive
    Neutral
    60s
  • Q6
    A 4 C charge experiences a force of 80 N when put at a certain location in space. The electric field at that location is _________.
    160 N/C
    84 N/C
    76 N/C
    20 N/C
    300s
  • Q7
    A point charge q1 has a magnitude of 2 x 10^-6 C. A second charge q2 has a magnitude twice as the first point charge and is located 0.1 m from the first charge. Determine the electrostatic force each charge exerts on the other.
    9.2 N
    7.2 N
    8 N
    2 N
    300s
  • Q8
    A uniform electric field E = 10 000 N/C passing through a flat square area A = 6 m2. Calculate the electric flux.
    6 000 N.m2/C
    10 600 N.m2/C
    1 666.67 N.m2/C
    60 000 N.m2/C
    300s
  • Q9
    Gauss’s law is applicable for_________.
    any surfaces
    asymmetrical surfaces only
    symmetrical surfaces only
    imaginary surfaces only
    60s
  • Q10
    As area increases, what happens to electric flux density?
    Becomes zero
    Remains constant
    Decreases
    Increases
    60s
  • Q11
    The strength of the electric field is ___________.
    inversely proportional to the force applied
    directly proportional to the force applied
    d. inversely proportional to the square of the force applied
    directly proportional to the square of the force applied
    60s
  • Q12

    Determine the electric flux for a Guassian surface that contains 100 million electrons.

    8.85 x10^-4 N m2/ C
    1.13 x 10^19 N m2/ C
    5 x 10^-3 N m2/ C
    1.8 N m2/ C
    300s
  • Q13
    A cylindrical wastepaper basket with a 0.15-m radius opening is in a uniform electric field of 300 N/C, perpendicular to the opening. The total flux through the sides and bottom is:
    21 N.m2/C
    25 N.m2/C
    2.8 N.m2/C
    0
    300s
  • Q14
    Suppose you have a 12.0 V motorcycle battery that can move 5000 C of charge, and a 12.0 V car battery that can move 60,000 C of charge. How much energy does the motorcycle battery deliver?
    6.00 x 104 J
    7.20 x 10^4 J
    7.20 x 10^5 J
    13.2 x 10^5 J
    300s
  • Q15
    Suppose you have a 12.0 V motorcycle battery that can move 5000 C of charge, and a 12.0 V car battery that can move 60,000 C of charge. How much energy does the motorcycle battery deliver?
    13.2 x 10^5 J
    7.20 x 10^4 J
    6.00 x 10^4 J
    7.20 x 10^5 J
    300s

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