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WorksheetsQuiz
Total questions: 21
Worksheet time: 22mins
This symbol represents a light bulb
The formula to find the equivalent resistance in a series circuit is...
What is voltage?
the amount of push the electrical source supplies to the circuit
how much a given device resists the flow of electric current
flow of electric charge
none of the above
3 identical bulbs are connected to a 6V cell. What will be the voltage on each bulb?
1V
6V
3V
2V
By how much is the electrical force between a pair of ions reduced when their separation distance is doubled (2x)? Tripled (3x)?
2 times less ; 3 times less
4 times less ; 9 times less
8 times less ; 27 times less
Boyle's Law: If the pressure of a gas is doubled, what happens to the volume, assuming the temperature remains constant?
Volume will remain the same
Volume will be doubled
Volume will be halved
Volume will be tripled
Which of the following best explains why the sand at the beach is hotter than the water?
Sand has a higher specific heat than water.
Sand has a lower specific heat than water.
There is more water than sand at the beach.
There is more sand than water at the beach.
The amount of energy required to raise the temperature 1ºC for every gram is called____?
Thermal Energy
Specific Heat
Temperature
Kinetic Energy
If Q=mcΔT , what is ΔT
ΔT=mcQ
ΔT=Qmc
ΔT=Qmc
ΔT=Qcm
c=mΔTQ
Between which two points is the solid cooling?
A <---- B
B <----> C
C <---- D
D <----> E
E <---- F
A sample of Kr at 693.16 kPa experiences a change in volume from 28.988 L to 8.091 L. What is the resulting pressure in kilopascals?
(a)
The filament of a 240 V, 100W electric lamp heats up from room temperature to its operating temperature. As it heats up, its resistance increases by a factor of 16. What is the resistance of this lamp at room temperature?
(a)
Which circuit diagram represents the correct way to measure the voltage drop in the resistor?
What would be the reading on the voltmeter?
2 V
6 V
4 V
8 V
if a charge with 60 C flow through a bulb in one minute. What is the value of the current?
120 A
30 A
60 A
1 A
the higher the cross sectional area of a conductor, the ________ the resistance
lower
higher
same
A wire carries a current of 2.0 amperes for 1.0 hour. How many electrons pass a point in the wire in this time?
(a)
Two copper wires X and Y have the same volume and same cross sectional area. Wire Y is four times as long as wire X.Calculate ration of Ry over Rx
(a)
