Circuits Question Preview (ID: 46946)
Circuits And Electrical Energy.
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most electrical wires are made of
a) plastic
b) rubber
c) copper
d) glass
why is electric wiring covered with a different material
a) so you have to pay more for it
b) so you can safely handle the wire
c)
d)
type of material that allows electricity to flow through it
a) conductor
b) insulator
c)
d)
type of material that does NOT allow electricity to flow through it
a) conductor
b) insulator
c)
d)
the bulb will light up if the circuit is
a) closed
b) open
c)
d)
in a parallel circuit, what happens if one bulb goes out
a) the other bulbs on other paths remain lit
b) the other bulbs all go out
c)
d)
circuit with more than one path
a) parallel
b) series
c)
d)
in a series circuit, what happens if one bulb goes out
a) the other bulbs remain lit
b) the other bulbs all go out
c)
d)
circuit with only one path
a) parallel
b) series
c)
d)
which is NOT required for an complete circuit
a) power source
b) wires
c) switch
d) load/resistor/light bulb
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