Figure P19.42 shows a circuit containing a battery in series with a resistor and a lightbulb. The
Question:
Figure P19.42 shows a circuit containing a battery in series with a resistor and a lightbulb. The brightness of the lightbulb depends on the current through the bulb: increasing the current increases the brightness, while decreasing the current reduces the brightness. How could you connect another resistor to this circuit so as to increase the brightness of the bulb? That is, would you connect the new resistor to points A and B, A and C, or B and C?
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Two resistances in parallel have an equivalent resistance less than either of the resistances ...View the full answer
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Related Book For 
College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
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