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Section 11.2
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1
A closed circuit could contain…
A)a loose bulb.
B)a break in the filament of an incandescent bulb.
C)an open switch.
D)a closed switch.
2
In a closed circuit, electrons move…
A)from the positive terminal to the negative terminal.
B)from the negative terminal to the positive terminal.
C)in random directions.
D)freely with no resistance.
3
What unit is used to represent electric charge?
A)volt
B)ampere
C)coulomb
D)joule
4
If a circuit has a current of 0.3A, how many electrons pass a given point in the circuit every second?
A)6.25 x 1017
B)1.25 x 1018
C)1.88 x 1018
D)3.12 x 1018
5
What is potential difference?
A)a property of a substance that hinders electric current
B)the difference between the electric potential energy per unit of charge at two points
C)a quantity of electric charge equal to a set charge of electrons
D)a unit of electric current, equivalent to one coulomb per second





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