Physics > 2014 > 38
JAMB UTME
A circuit has a resistance of 200Ω.
The resistance of the circuit can be reduced to 120ω when
The resistance of the circuit can be reduced to 120ω when
A.
a 150Ω resistor is connected to it in parallel
B.
a 240Ω resistor is connected to it in series
C.
a 300Ω resistor is connected to it in parallel
D.
an 80Ω resistor is connected to it in series
Answer: C
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