Two light bulbs are connected separately across two 20-V batteries as shown in the figure. Bulb A is rated as 40W, 20V and bu B is rates as 15W, 20V. (a) Which bulb has more resistance? (b) Which bulb will consume 1000 J of energy in shortest time? 20 V 'L Bulb A 40W 20 V Your answer (a) Bulb A Bulb B / Same resistance (choose one). R/Same time (choose one) Bulb B 15 W

Two light bulbs are connected separately across two 20-V batteries as shown in the figure. Bulb A is rated as 40W, 20V and bu B is rates as 15W, 20V. (a) Which bulb has more resistance? (b) Which bulb will consume 1000 J of energy in shortest time? 20 V 'L Bulb A 40W 20 V Your answer (a) Bulb A Bulb B / Same resistance (choose one). R/Same time (choose one) Bulb B 15 W

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter18: Direct-Current Circuits

Section: Chapter Questions

Problem 50AP: Three 60.0-W, 120-V lightbulbs are connected across a 120-V power source, as shown in Figure P18.50....

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