Physics > 2016 > 11
JAMB UTME
A circuit has a resistance of 200Ω. The resistance of the circuit can be reduced to 120Ω when
A.
an 80Ω resistor is connected to it in series
B.
a 240Ω resistor is connected to it in series
C.
a 300Ω resistor is connected to it in parallel
D.
a 150Ω resistor is connected to it in parallel
Answer: C
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