Calculate the diameter of a 1.6 cm length of tungsten filament in a small lightbulb if its resistance is 0.054 . mm
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Calculate the diameter of a 1.6 cm length of tungsten filament in a small lightbulb if its resistance is 0.054 .
mm
Given
Length (L) = 1.6 cm
Resistance (R) = 0.054
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- You have a simple circuit consisting of a battery and a lightbulb (you can imagine that this circuit is contained within a flashlight). If the total potential difference provided by the batteries in this circuit is 6V, and if you measure the current to be 90.41mA, what is the resistance of the light bulb (created by the thin wire which composes the filament) in units of Ohms?If the 0.145 mm diameter tungsten filament in a light bulb is to have a resistance of 0.185 Ω at 20.0°C, how long should it be? The resistivity of tungsten at 20.0°C is 5.60 10-8 Ω · mIf the 0.180 mm diameter tungsten filament in a light bulb is to have a resistance of 0.176 Ω at 20.0°C, how long should it be? The resistivity of tungsten at 20.0°C is 5.60 10-8 Ω · m.
- You have a simple circuit consisting of a battery and a lightbulb (you can imagine that this circuit is contained within a flashlight). If the total potential difference provided by the batteries in this circuit is 6V, and if you measure the current to be 17.08mA, what is the resistance of the light bulb (created by the thin wire which composes the filament) in units of Ohms?You have a simple circuit consisting of a battery and a lightbulb (you can imagine that this circuit is contained within a flashlight). If the total potential difference provided by the batteries in this circuit is 6V, and if you measure the current to be 23.04mA, what is the resistance of the light bulb (created by the thin wire which composes the filament) in units of Ohms?A copper wire has a resistance of 50 ohms. What will be the strength of another copper wire whose cross section is double and length three times as long?