Tài liệu Teach Yourself Electricity And Electronics P2 pdf

... silver. Copper and alu- minum are also excellent electrical conductors. Iron, steel, and various other metals are fair to good conductors of electricity. In most electrical circuits and systems, ... magnetic fields keep producing one another over and over again through space. Chemical energy is converted into electricity in all dry cells, wet cells, and bat- teries. Your car bat...

Ngày tải lên: 13/12/2013, 01:15

... Companies. Click here for terms of use. Teach Yourself Electricity and Electronics Preface This book is for people who want to learn basic electricity, electronics, and com- munications concepts without ... 310 Calculation of power factor 310 How much of the power is true? 313 xii Contents Teach Yourself Electricity and Electronics Third Edition Stan Gibilisco McGraw-...

Ngày tải lên: 13/12/2013, 01:15

... Click the command you want to run. The program runs the command. ● If your command is in a submenu, click the submenu and then click the desired command. TURN FEATURES ON AND OFF 1 Click ... various categories, such as “Security and privacy” and “Files, folders, and libraries.” Each category offers a number of subcategories, and each category and subcategory contains a c...

Ngày tải lên: 25/01/2014, 12:20

... silver. Copper and alu- minum are also excellent electrical conductors. Iron, steel, and various other metals are fair to good conductors of electricity. In most electrical circuits and systems, ... magnetic fields keep producing one another over and over again through space. Chemical energy is converted into electricity in all dry cells, wet cells, and bat- teries. Your car bat...

Ngày tải lên: 22/12/2013, 21:18

... Companies. Click here for terms of use. Teach Yourself Electricity and Electronics Preface This book is for people who want to learn basic electricity, electronics, and com- munications concepts without ... Cells and batteries 118 Kinetic and potential energy 118 Electrochemical energy 118 Primary and secondary cells 119 The Weston standard cell 120 Storage capacity 120 C...

Ngày tải lên: 13/12/2013, 01:16

... Cells and batteries 118 Kinetic and potential energy 118 Electrochemical energy 118 Primary and secondary cells 119 The Weston standard cell 120 Storage capacity 120 Common dime-store cells and ... 3.3 KΩ and the battery 12 V. If the plus terminal of a dc voltmeter is placed between R1 and R2 (with voltages E1 and E2), and the minus terminal of the voltmeter is placed between...

Ngày tải lên: 16/10/2013, 01:15

... multiple of its original bandwidth. Typically, spreading factors are between 10 and 1000; they generate a broadband signal for transmission from the narrowband signal, and this is less sensitive ... systems and is also used in digital systems. For the communication between mobile and base station, the available frequency band is split into two partial bands, to enable simultaneous sen...

Ngày tải lên: 23/12/2013, 17:15

... UNIX command-line macro facility, which enables you to save easily a series of commands in a file and then run them as a single program. To work, however, the shell must be able to read the file and ... the owner and group members, read (or copied) by both the owner and group, and written (altered) by the owner. In practice, this probably would be a shell script, as described earlie...

Ngày tải lên: 17/01/2014, 08:20

... data and functionality through classes rather than objects • Abstract classes and interfaces: Separating design from implementation • Error handling: Introducing exceptions • Final classes and ... Life, the Universe, and Everything is 42, and you want it to stay that way. Error and status flags will often be hard-coded into your classes. Although they should be publicly and...

Ngày tải lên: 21/01/2014, 16:20

... press and on the keyboard to highlight the command you want, and then press . If you choose Move or Size from the system menu, use the keyboard , , , and to move or size the window, and then ... Click and drag the mouse in the direction you want the window to move. Windows 7 moves the window along with the mouse . 26 Command Button Clicking a command button executes the...

Ngày tải lên: 25/01/2014, 12:20