Share Harris Chapter 14 Review 1
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The S.I unit of power is
Watt-Hour
Watt
Joule
Coulomb
Electric pressure is called
Power
Voltage
Resistance
Energy
In a circuit, a 33 ohm resistor carries a current of 2 Amp. The voltage across the resistor is
33 Volts
66 Volts
16.5 Volts
132 Volts
What is the oxidation number of nitrogen in the HNO3?
5
6
-1
+1
What are the SI units for electric current?
e/s
C/s
C/S^2
-e/s
The amount of work done in moving a charge of 2C across two points having a potential difference of 24 V is
48 J
50J
%4 J
24 J
The resistance of a 50 watt bulb is ___ that of a 100 watt bulb if both run on the same voltage
1/2
The same as
1/4
Twice
True or False: Current (I) is directly proportional to the resistance (R) of the circuit.
False
True
Which statement is NOT true about a galvanic cell?
The cathode is negative with respect to the anode.
The voltage of the cell is the difference between the potent
It uses a spontaneous reaction to produce electricity.
Oxidation occurs at the anode and reduction at the cathode.
