## Principles of Electricity and Electromagnetism |

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Page 557

As an example consider a wire 1 m . long and a circular loop 1 m . in diameter ,

each carrying a current which oscillates with a frequency of a million cycles per

second . The

ohm .

As an example consider a wire 1 m . long and a circular loop 1 m . in diameter ,

each carrying a current which oscillates with a frequency of a million cycles per

second . The

**radiation**resistance of the wire is 790 / ( 300 ) 2 = 0 . 88 X 10 - 2ohm .

Page 575

Calculate the

frequency of 1 megacycle . 16 . Show that the power gain in decibels over a

single half - wave antenna at the principal maximum obtained from n parallel

coplanar ...

Calculate the

**radiation**resistance of a 100 - turn coil 10 cm . in diameter at afrequency of 1 megacycle . 16 . Show that the power gain in decibels over a

single half - wave antenna at the principal maximum obtained from n parallel

coplanar ...

Page 616

Strutt, R. J.), 465 Reactance, capacitative, 222 inductive, 312 Reciprocity theorem

, 112, 451 for antennas, 555 Recombination, in gas, 248 spectrum, 248 at

surfaces, ...

**Radiation**pressure, 537**Radiation**resistance, 555, 557, 560 Rayleigh, Lord (Strutt, R. J.), 465 Reactance, capacitative, 222 inductive, 312 Reciprocity theorem

, 112, 451 for antennas, 555 Recombination, in gas, 248 spectrum, 248 at

surfaces, ...

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