Attached is the picture with the question on it, but here are the questions typed out if its hard to read. Also, I need the answers correct to 4 decimal places, thank you!!! Usually wire resistance can be neglected. But we see the effect of it sometimes when a light dims as another high-current device is turned on. In the fridge, the bulb will put out a little less power when the switch to the compressor motor is turned on.a. The voltage source (wiggly circled curve) is 120 V (treat it like a battery) and the wire resistance is 0.5 ohms. The bulb is rated as "75W", which means its power is 75W when connected to 120 V. What is the resistance of the bulb? (ohms) b. When the switch to the motor is open (preventing that branch of the circuit from receiving current, so you can pretend it is not even there), find the power consumed by the bulb, which should be a little lower than 75W because of the wire resistance. (W) c. The motor has a resistance of 10.6 ohms . When the motor switch is closed (meaning that branch of the circuit now has current flowing through it), what power does the bulb consume? (W) d. What power is consumed by the motor? (in kW) Usually wire resistance can be neglected. But we see the effect of it4-410 pes sometimes when a light dims as another high-current device is turned on. Inthe fridge, the bulb will put out a little less power when the switch to thecompressor motor is turned on.RefrigeratorBulbR, = wireresistanceSwitchR,wwMotor(a) The voltage source (wiggly circled curve) is 120 V (treat it like a battery)and the wire resistance is 0.5 ohms. The bulb is rated as "75W", whichmeans its power is 7sW when connected to 120 V. What is the resistanceof the bulb?ohms ( +0.1 ohms)192(b) When the switch to the motor is open (preventing that branch of thecircuit from receiving current, so you can pretend it is not even there),find the power consumed by the bulb, which should be a little lowerthan 75W because of the wire resistance.W(+0.1 W)(c) The motor has a resistance of 10.6 ohms . When the motor switch isclosed (meaning that branch of the circuit now has current flowingthrough it), what power does the bulb consume?W(+0.1 W)(d) What power is consumed by the motor?kW (+0.01 kW)Source Operstax Physics 2013 Problem 219, mod BCH

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Answered: Usually wire resistance can be…

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Attached is the picture with the question on it, but here are the questions typed out if its hard to read.

Also, I need the answers correct to 4 decimal places, thank you!!!

Usually wire resistance can be neglected. But we see the effect of it sometimes when a light dims as another high-current device is turned on. In the fridge, the bulb will put out a little less power when the switch to the compressor motor is turned on.

a. The voltage source (wiggly circled curve) is 120 V (treat it like a battery) and the wire resistance is 0.5 ohms. The bulb is rated as "75W", which means its power is 75W when connected to 120 V. What is the resistance of the bulb? (ohms)

b. When the switch to the motor is open (preventing that branch of the circuit from receiving current, so you can pretend it is not even there), find the power consumed by the bulb, which should be a little lower than 75W because of the wire resistance. (W)

c. The motor has a resistance of 10.6 ohms . When the motor switch is closed (meaning that branch of the circuit now has current flowing through it), what power does the bulb consume? (W)

d. What power is consumed by the motor? (in kW)

Usually wire resistance can be neglected. But we see the effect of it
4-4
10 pes sometimes when a light dims as another high-current device is turned on. In
the fridge, the bulb will put out a little less power when the switch to the
compressor motor is turned on.
Refrigerator
Bulb
R, = wire
resistance
Switch
R,
ww
Motor
(a) The voltage source (wiggly circled curve) is 120 V (treat it like a battery)
and the wire resistance is 0.5 ohms. The bulb is rated as "75W", which
means its power is 7sW when connected to 120 V. What is the resistance
of the bulb?
ohms ( +0.1 ohms)
192
(b) When the switch to the motor is open (preventing that branch of the
circuit from receiving current, so you can pretend it is not even there),
find the power consumed by the bulb, which should be a little lower
than 75W because of the wire resistance.
W(+0.1 W)
(c) The motor has a resistance of 10.6 ohms . When the motor switch is
closed (meaning that branch of the circuit now has current flowing
through it), what power does the bulb consume?
W(+0.1 W)
(d) What power is consumed by the motor?
kW (+0.01 kW)
Source Operstax Physics 2013 Problem 219, mod BCH

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