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
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
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter21: Circuits And Dc Instruments
Section: Chapter Questions
Problem 53PE: A 1,00-?O voltmeter is placed in parallel with a 75.0kresistor in a circuit, (a) Draw a circuit...
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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 circuit.
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