## Principles of Electricity and Electromagnetism |

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Page 153

If it is an ordinary lamp and w is a commercial

filament will only vary with the lowest

record the electrical beats between the two generators . If the lamp is

shortcircuited at ...

If it is an ordinary lamp and w is a commercial

**frequency**, the brightness of thefilament will only vary with the lowest

**frequency**, Aw / 2m . The lamp will thusrecord the electrical beats between the two generators . If the lamp is

shortcircuited at ...

Page 489

An antenna circuit in the primary of an air - core transformer has a Qo of 10 and &

natural

primary and secondary inductances are the same , to what

An antenna circuit in the primary of an air - core transformer has a Qo of 10 and &

natural

**frequency**of 1 . 5 megacycles . If the coefficient of coupling is 0 . 2 and theprimary and secondary inductances are the same , to what

**frequency**must the ...Page 530

Design a circuit of type a using the negative transconductance of a type 57

pentode to produce a positive reactance depending on the inverse first power of

the

the ...

Design a circuit of type a using the negative transconductance of a type 57

pentode to produce a positive reactance depending on the inverse first power of

the

**frequency**. Using this circuit , construct one having a reactance depending onthe ...

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angle applied approximately assumed atom axis becomes calculated capacity carrying cell characteristic charge circuit closed coil component condition conducting conductor connected considered constant curve density depends determined dielectric difference direction discharge discussion distance effective electric electrons element energy equal equation evident expression factor field flow flux force frequency function galvanometer given grid hence impedance important increases indicated induction integral ions known length limited linear load losses magnetic magnetic field magnitude maximum means measured mechanical metal meter method negative normal obtained oscillations parallel path period phase placed plate positive potential present produced proportional quantities radius ratio reduced region relation represents resistance respect result rotation seen separation Show shown simple solution space surface temperature terminals transformer tube unit vector volts volume wave wire written zero