## Principles of Electricity and Electromagnetism |

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Page 83

This film has a low resistance to the flow of electricity through it in one direction

but below a certain critical

in the opposite sense. The characteristics of this type of surface layer will be ...

This film has a low resistance to the flow of electricity through it in one direction

but below a certain critical

**voltage**presents a high resistance to a flow of currentin the opposite sense. The characteristics of this type of surface layer will be ...

Page 165

Calculate the

ratio of the power lost in the rectifier to that supplied to the circuit for the following

direct currents: (a) 1 amp.; (6) 0.064 amp. 2. A high-vacuum thermionic rectifier ...

Calculate the

**voltage**drop across each element, the total circuit**voltage**, and theratio of the power lost in the rectifier to that supplied to the circuit for the following

direct currents: (a) 1 amp.; (6) 0.064 amp. 2. A high-vacuum thermionic rectifier ...

Page 419

If the rotating member of one is 20 mechanical degrees ahead of the other, show

that the total

depending on the sense of the series connection. 13. The excitation is such that

the ...

If the rotating member of one is 20 mechanical degrees ahead of the other, show

that the total

**voltage**developed is either the same or -\/z times as great,depending on the sense of the series connection. 13. The excitation is such that

the ...

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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