22

Biology with MasteringBiologyâ„¢ (8th Edition)

Info iconThis preview shows pages 1–50. Sign up to view the full content.

View Full Document Right Arrow Icon
  MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.  1) 
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The  resistivity of  gold is    at a  temperature  of 20°C. A  gold wire,  0.5 mm in  diameter and  44 cm long,  carries a  current of  380 ma. The  number of  electrons per  second  passing a  given cross  section of  the wire is  closest to: 
Background image of page 2
1)  _______  A)  2 . 4   × 10 17  6. ×  10 15 
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2.8  ×  10 14  D) 
Background image of page 4
2.4  ×  10 18  E) 
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
1.2  ×  10 22    2) 
Background image of page 6
The  resistivity of  gold is    at a  temperature  of 20°C. A  gold wire,  1.8 mm in  diameter and  14 cm long,  carries a  current of  480 ma. The  power  dissipated in  the wire is  closest to: 
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2)  _______  A)  0 . 1 m 0. 31 mW 
Background image of page 8
0.077   mW  D) 
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
0.19 mW  E) 
Background image of page 10
0.25 mW    3) 
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
A wire has a  current of  6.0 mA in it.  How many  electrons  pass a given  point in a  minute? 
Background image of page 12
3)  _______  A) 
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
6.3  ×  10 14 
Background image of page 14
B)  5.4  × 1
Background image of page 15

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2.3  ×  10 18 
Background image of page 16
D)  360    4
Background image of page 17

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
component  with a  17 Ω  resistor is  rated for use  at power  levels not  exceeding   How  much  current can  safely flow  through the  component? 
Background image of page 18
4)  _______  A) 
Background image of page 19

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
238 A 
Background image of page 20
B) 
Background image of page 21

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
1.21 A 
Background image of page 22
C) 
Background image of page 23

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
0.91 A 
Background image of page 24
D)  0. 2  
Background image of page 25

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
A battery is  rated that it  provides   of  power at   when  fully  charged.  How much  current can  it deliver? 
Background image of page 26
5)  _______  A) 
Background image of page 27

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
0.33 mA 
Background image of page 28
B) 
Background image of page 29

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
81 kA 
Background image of page 30
This is the end of the preview. Sign up to access the rest of the document.

This document was uploaded on 04/16/2010.

Page1 / 198

22 - MULTIPLECHOICE. 1 The resistivityof goldis ata temperature of20C.A goldwire 0.5mmin diameterand 44cmlong carriesa currentof 380ma.The numberof

This preview shows document pages 1 - 50. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online