## Principles of Electricity and Electromagnetism |

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Page 42

Show that it is not possible to produce a unidirectional electric field for which the

magnitude of the field changes in the direction normal to that of the field . 10 . It is

found that the electric field toward the earth at its surface is 300

Show that it is not possible to produce a unidirectional electric field for which the

magnitude of the field changes in the direction normal to that of the field . 10 . It is

found that the electric field toward the earth at its surface is 300

**volts**per meter .Page 242

From the work - function point of view the value of y for such an atomic process is

of the order of 10 to 25

Thus higher frequencies are necessary for photoionization than for surface ...

From the work - function point of view the value of y for such an atomic process is

of the order of 10 to 25

**volts**rather than from 1 to 6 as in the case of surfaces .Thus higher frequencies are necessary for photoionization than for surface ...

Page 419

0343 webers to generate an effective emf . of 2 , 200

sinusoidal distribution of the induction about the periphery of the armature and a

maximum value of 1 weber per square meter , show that the inner radius of the ...

0343 webers to generate an effective emf . of 2 , 200

**volts**. 11 . Assuming asinusoidal distribution of the induction about the periphery of the armature and a

maximum value of 1 weber per square meter , show that the inner radius of the ...

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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