## Principles of Electricity and Electromagnetism |

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Page 136

A dry cell shows an emf. of 1.579

1000-ohm voltmeter is connected to its terminals, the meter reads 1.52

What is the internal resistance of the cell? 18. The emf. of a cell is measured by a

...

A dry cell shows an emf. of 1.579

**volts**as measured by a potentiometer. When a1000-ohm voltmeter is connected to its terminals, the meter reads 1.52

**volts**.What is the internal resistance of the cell? 18. The emf. of a cell is measured by a

...

Page 242

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

of the order of 10 to 25

Thus higher frequencies are necessary for photo- ionization than for surface ...

From the work-function point of view the value of <p 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 photo- ionization than for surface ...

Page 419

If the coils of a phase are in series and have 20 turns apiece, show that the

maximum flux through a coil must achieve the value 0.0343 webers to generate

an effective emf. of 2,200

induction ...

If the coils of a phase are in series and have 20 turns apiece, show that the

maximum flux through a coil must achieve the value 0.0343 webers to generate

an effective emf. of 2,200

**volts**. 11. Assuming a sinusoidal distribution of theinduction ...

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alternating current alternating-current ampere amplifier amplitude angle angular anode antenna applied approximately armature assumed atom axis calculated capacity cathode cell characteristic charge circuit coefficient coil component condenser conducting conductor considered constant curl current flowing curve deflection density determined dielectric dielectric constant direct-current direction discharge effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer given grid hence impedance induction integral ions known Laplace's equation length linear load magnetic field magnetic induction magnitude maximum measured metal meter negative normal obtained ohms oscillations output parallel phase plane plate polarization positive potential difference potential wave potentiometer produced proportional quantities radiation radius ratio reactance region represents resistance resonant rotation scalar Show shown in Fig solenoid solution surface temperature terminals theorem torque tube unit vector velocity voltage volts wire written zero