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15
×
The S.I unit of power is
Watt-Hour
Coulomb
Watt
Joule
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monster
Reset all scores!
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shark
Other team loses 25 points!
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rocket
Go to first place!
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baam
Lose 25 points!
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15
×
What are the SI units for electric current?
C/s
e/s
C/S^2
-e/s
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15
×
True or False: Current (I) is directly proportional to the resistance (R) of the circuit.
True
False
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15
×
What is the oxidation number of nitrogen in the HNO3?
-1
6
5
+1
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15
×
Electric pressure is called
Energy
Voltage
Power
Resistance
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seesaw
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magnet
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gift
Win 10 points!
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thief
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5
10
15
20
25
15
×
The resistance of a 50 watt bulb is ___ that of a 100 watt bulb if both run on the same voltage
The same as
1/4
1/2
Twice
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15
×
Which statement is NOT true about a galvanic cell?
The voltage of the cell is the difference between the potent
Oxidation occurs at the anode and reduction at the cathode.
It uses a spontaneous reaction to produce electricity.
The cathode is negative with respect to the anode.
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banana
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seesaw
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rocket
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lifesaver
Give 20 points!
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15
×
In a circuit, a 33 ohm resistor carries a current of 2 Amp. The voltage across the resistor is
132 Volts
66 Volts
33 Volts
16.5 Volts
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15
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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
24 J
%4 J
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