74. An incandescent light bulb is supplied with aconstant potential difference of 120 volts. Asthe filament of the bulb heats up, its resistance (1) increases and the current through itdecreases(2) increases and the currerntthrough it increases (3) decreases and thecurrent through it decreases ((4) decreasesand the current through it increases

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An incandescent light bulb is supplied with a constant potential difference of 120 volts. As the filament of the bulb heats up, its resist- ance (1) increases and the current through it decreases through it increases (3) decreases and the current through it decreases (4) decreases and the curror (2) increases and the current

An incandescent light bulb is supplied with a constant potential difference of 120 volts. As the filament of the bulb heats up, its resist- ance (1) increases and the current through it decreases through it increases (3) decreases and the current through it decreases (4) decreases and the curror (2) increases and the current

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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