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Author Question: Three resistors, 10 , 20 , and 30 , are wired in parallel and connected to a 12-V battery. How much ... (Read 59 times)

Jipu 123

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on: Jul 28, 2018
Three resistors, 10 , 20 , and 30 , are wired in parallel and connected to a 12-V battery. How much current flows in the circuit?

Question 2

Two flat rectangular mirrors are set edge to edge and placed perpendicular to a flat nonreflecting surface. The edges of the two mirrors meet at a 30 angle. A light ray that enters parallel to mirror 2 reflects from mirror 1 and then from mirror 2 . The angle of reflection of that ray from mirror 2 is
 a. 0.
  b. 30.
  c. 60.
  d. 90.
  e. 120.


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jointhecircus

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

22 A

Answer to Question 2

b


Jipu 123

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

sailorcrescent

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Reply 3 on: Yesterday
Wow, this really help

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