## Principles of Electricity and Electromagnetism |

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Page 299

following way : The change in magnetic energy of a circuit carrying a current i

when the

= ido The magnetic -

the ...

following way : The change in magnetic energy of a circuit carrying a current i

when the

**flux**through it changes by an amount do is given by Eq . ( 9 . 20 ) as dU= ido The magnetic -

**flux**density B is everywhere proportional to the current sothe ...

Page 333

q = 80 R where 8 $ is the change in

be reduced to the measurement of a charge . In terms of Eq . ( 10 . 11 ) Om =

SRTil ( 10 . 12 ) This equation is applicable only if the damping is small ; hence ,

if the ...

q = 80 R where 8 $ is the change in

**flux**linkage . Thus a**flux**measurement canbe reduced to the measurement of a charge . In terms of Eq . ( 10 . 11 ) Om =

SRTil ( 10 . 12 ) This equation is applicable only if the damping is small ; hence ,

if the ...

Page 371

Alloys containing about 80 per cent iron and 20 per cent nickel , known as

permalloys , show very high permeabilities at low

hysteresis losses are small . The addition of a few per cent of chromium or

molybdenum ...

Alloys containing about 80 per cent iron and 20 per cent nickel , known as

permalloys , show very high permeabilities at low

**flux**densities . Also theirhysteresis losses are small . The addition of a few per cent of chromium or

molybdenum ...

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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