A 2.0 cm long gold filament in a florescent light bulb has a radius of 0.5 mm. Assume constant 20 degree Celsius temperature during operation of the light bulb. 1 Calculate the resistance of the wire. 2 Given that the light bulb is connected to a 6.0 volt battery caclulate the current through the wire. 3 Describe what you expect to happen to the current if the temperature of the filament decreases below 20 degrees Celsius and why. 4 Two more identical light bulbs are now connected in series with the light bulb in the circuit with the same battery in part (3) What is the new current in the circuit? 5Make a sketch of the circuit from part (4). The light bulbs can be drawn as resistor symbols. Fully label the values of each component in the circu

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A: Given: The required resistance is 4 ohms. The diameter is 0.3 mm. The resistivity is 1.414×10-6 Ω.m.

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Q: image

A: Solution 1 One object must be at a higher electric potential than the other. Like heat which only…

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A: Given that:iref=2.5 AP1=100 WP2=60 WP3=3 WV=110 Vfor transmission line:d=9.266 mmL=17×2=34 kmV'=110…

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A: Given, circuit diagram  To find current through each resistor, write augmented matrix, use row…

Q: Copper wire of diameter 0.289 cm is used to connect a set of appliances at 120 V. which draw 1450 W…

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A: R1 = 2500 ohm R2 = 3500 ohm R3 = 5000 ohm V = 100 volts

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