In the circuit diagram, what does the symbol made of two long lines and two short lines with a positve and a negative sign at ea
ch end represent?
a.
an electrical conductot
b.
a closed switch
c.
a source of electrical energy
d.
an electrical resistor
a.
an electrical conductot
b.
a closed switch
c.
a source of electrical energy
d.
an electrical resistor
1 answer:
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