General Electrical Engineering: A Comprehensive Introduction for Students, Apprentices, and All Connected with the Electrical Engineering Industry |
From inside the book
Results 1-3 of 30
Page 371
... AERIAL w F G H EARTH B C / D EARTHED AERIAL SYSTEMS AERIAL JE EARTH ( b ) A AERIAL A A INDUCTANCE CONDENSER- E NE EARTH ( c ) ( d ) ( a ) MARCONI AERIAL SYSTEMS Fig . 3. ( a ) Shows effect of earth connection . The earth , being an ...
... AERIAL w F G H EARTH B C / D EARTHED AERIAL SYSTEMS AERIAL JE EARTH ( b ) A AERIAL A A INDUCTANCE CONDENSER- E NE EARTH ( c ) ( d ) ( a ) MARCONI AERIAL SYSTEMS Fig . 3. ( a ) Shows effect of earth connection . The earth , being an ...
Page 386
... aerial . But the latest types use the mast itself as a radiator - there is no aerial wire at all . An interesting point is that these aerials are usually half - wave aerials - that is to say , their length approximates to half the ...
... aerial . But the latest types use the mast itself as a radiator - there is no aerial wire at all . An interesting point is that these aerials are usually half - wave aerials - that is to say , their length approximates to half the ...
Page 389
... aerial array . It consists of a number of horizontal half - wave aerials , arranged one above the other , each fed by a transmission line at its centre . The spacing between the elements is half a wavelength to discourage vertical ...
... aerial array . It consists of a number of horizontal half - wave aerials , arranged one above the other , each fed by a transmission line at its centre . The spacing between the elements is half a wavelength to discourage vertical ...
Contents
ELECTRICITY EXPLAINED | 5 |
SIMPLE APPARATUS AND MEASUREMENTS | 41 |
GENERATION OF POWER | 81 |
9 other sections not shown
Common terms and phrases
aerial alternating current ampere-hour amperes anode apparatus applied armature arrangement battery breaker busbars cable cathode cell charging circuit circuit breaker coil condenser conductor connected copper core D.C. motor diagram direct current earth effect efficiency electric electrons employed energy engine equipment factory ferrule flux frequency galvanometer heat induction motor installation insulation iron joint lamp lead sheath lighting load machine magnetic circuit magnetic field magnetic force maximum means mechanical mercury metal meter method necessary normal operation oscillations output phase plates pole position potential difference pressure primary radiation radio receiver rectifier resistance rotating rotor scanning secondary shown in Fig shows slot solder speed stator steel suitable supply switch tape temperature terminal thermionic valve three-phase tion torque trans transformer transmitter tube unit usually V₁ valve voltage voltmeter volts watts waves winding wire