Calculate the diameter of a 3.9-cm length of tungsten filament in a small lightbulb if its resistance is 88 Q. If 62mA current flows through the filament, find the potential difference across the source. (a) the diameter of the wire (in m) = (b) Potential difference across the source in V =

Calculate the diameter of a 3.9-cm length of tungsten filament in a small lightbulb if its resistance is 88 Q. If 62mA current flows through the filament, find the potential difference across the source. (a) the diameter of the wire (in m) = (b) Potential difference across the source in V =

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section21.2: Resistance And Ohm’s Law

Problem 21.3QQ: When does an incandescent lightbulb carry more current? (a) immediately after it is turned on and...

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Calculate the diameter of a 3.9-cm length of tungsten filament in a small lightbulb if its resistance is 88 Q F
62mA current flows through the filament, find the potential difference across the source.
(a) the diameter of the wire (in m) =
(b) Potential difference across the source in V =D
ere to search
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