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Author Question: A battery is used to light two bulbs as shown. What happens to bulb B when bulb A is unscrewed from ... (Read 109 times)

sabina

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on: Jul 28, 2018
A battery is used to light two bulbs as shown. What happens to bulb B when bulb A is unscrewed from its socket?
 
  1.Bulb B goes out.
  2.Bulb B gets noticeably dimmer, without going out.
  3.Bulb B gets slightly dimmer.
  4.Bulb B's brightness stays the same.
  5.Bulb B gets slightly brighter.
  6.Bulb B gets noticeably brighter.
  7.Impossible to determine

Question 2

A battery is used to light a bulb as shown. A second bulb is connected by closing switch S. What happens to the bulbs?
 
  1.The right bulb goes out; the left bulb lights up.
  2.The right bulb gets noticeably dimmer; both bulbs have the same brightness.
  3.The right bulb gets very slightly dimmer; both bulbs have the same brightness.
  4.The right bulb's brightness stays the same; both bulbs have the same brightness.
  5.The right bulb gets slightly brighter; both bulbs have the same brightness.
  6.The right bulb gets noticeably brighter; both bulbs have the same brightness.
  7.The right bulb stays the same; the left bulb does not light.
  8.Impossible to determine


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wfdfwc23

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Reply #1 on: Jul 28, 2018
Answer to Question 1

4

Answer to Question 2

4


sabina

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Reply 2 on: Jul 28, 2018
Excellent

at

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Reply 3 on: Yesterday
Wow, this really help

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