6. Refer to the figure below and the discussion of lights dimming when a heavy appliance comes on. Refrigerator Low P2 R2 Large IR drop in wires Bulb dims R = wire resistance Low R3 draws large I3 R3 Motor (a) Given the voltage source is 120 V, the wire resistance is 0.8N, and the bulb is nominally 75.0 W, what power will the bulb dissipate if a total of 15.0 A passes through the wires (meaning that this is the current through R1) when the motor comes on? Assume negligible change in bulb resistance. (b) What power is consumed by the motor?
6. Refer to the figure below and the discussion of lights dimming when a heavy appliance comes on. Refrigerator Low P2 R2 Large IR drop in wires Bulb dims R = wire resistance Low R3 draws large I3 R3 Motor (a) Given the voltage source is 120 V, the wire resistance is 0.8N, and the bulb is nominally 75.0 W, what power will the bulb dissipate if a total of 15.0 A passes through the wires (meaning that this is the current through R1) when the motor comes on? Assume negligible change in bulb resistance. (b) What power is consumed by the motor?
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Transcribed Image Text:6. Refer to the figure below and the discussion of lights dimming when a heavy
appliance comes on.
Refrigerator
Low P2
R2
Large IR
drop in wires
Bulb
dims
R = wire
resistance
Low R3
draws large I3
R3
Motor
(a) Given the voltage source is 120 V, the wire resistance is 0.82, and the bulb
is nominally 75.0 W, what power will the bulb dissipate if a total of 15.0
A passes through the wires (meaning that this is the current through R1)
when the motor comes on? Assume negligible change in bulb resistance.
(b) What power is consumed by the motor?
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