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Harris Chapter 14 Review 1

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  • The resistance of a 50 watt bulb is ___ that of a 100 watt bulb if both run on the same voltage
    1/4
    1/2
    The same as
    Twice
  • True or False: Current (I) is directly proportional to the resistance (R) of the circuit.
    True
    False
  • The amount of work done in moving a charge of 2C across two points having a potential difference of 24 V is
    48 J
    %4 J
    24 J
    50J
  • What is the oxidation number of nitrogen in the HNO3?
    +1
    5
    -1
    6
  • In a circuit, a 33 ohm resistor carries a current of 2 Amp. The voltage across the resistor is
    16.5 Volts
    66 Volts
    33 Volts
    132 Volts
  • The S.I unit of power is
    Joule
    Watt
    Watt-Hour
    Coulomb
  • Electric pressure is called
    Power
    Energy
    Voltage
    Resistance
  • What are the SI units for electric current?
    e/s
    C/S^2
    -e/s
    C/s
  • Which statement is NOT true about a galvanic cell?
    The cathode is negative with respect to the anode.
    Oxidation occurs at the anode and reduction at the cathode.
    The voltage of the cell is the difference between the potent
    It uses a spontaneous reaction to produce electricity.