Nothing happens when birds land on a power line, yet weare warned not to touch a power line with a ladder. Whatis the difference?(a) Birds have extremely high internal resistancecompared to humans.(b) There is little to no voltage drop between a bird’s twofeet, but there is a significant voltage drop betweenthe top of a ladder touching a power line and thebottom of the ladder on the ground.(c) Dangerous current comes from the ground only.(d) Most birds don’t understand the situation.
Nothing happens when birds land on a power line, yet weare warned not to touch a power line with a ladder. Whatis the difference?(a) Birds have extremely high internal resistancecompared to humans.(b) There is little to no voltage drop between a bird’s twofeet, but there is a significant voltage drop betweenthe top of a ladder touching a power line and thebottom of the ladder on the ground.(c) Dangerous current comes from the ground only.(d) Most birds don’t understand the situation.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter18: Direct-Current Circuits
Section: Chapter Questions
Problem 26P: Figure P18.26 shows a voltage divider, a circuit used to obtain a desired voltage Vout from a source...
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Question
Nothing happens when birds land on a power line, yet we
are warned not to touch a power line with a ladder. What
is the difference?
(a) Birds have extremely high internal resistance
compared to humans.
(b) There is little to no voltage drop between a bird’s two
feet, but there is a significant voltage drop between
the top of a ladder touching a power line and the
bottom of the ladder on the ground.
(c) Dangerous current comes from the ground only.
(d) Most birds don’t understand the situation.
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