## Principles of Electricity and Electromagnetism |

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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.; (b) 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.; (b) 0.064 amp. 2. A high-vacuum thermionic rectifier ...

Page 392

The curve marked Vo is the open-circuit brush

current. Since the field current is proportional to the actual potential difference

between the brushes, V, the latter is given by the straight line V = Rsis. The

difference ...

The curve marked Vo is the open-circuit brush

**voltage**as a function of the fieldcurrent. Since the field current is proportional to the actual potential difference

between the brushes, V, the latter is given by the straight line V = Rsis. The

difference ...

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 V3 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 amplitude angle angular velocity anode antenna applied approximately armature assumed atom axis calculated capacity cathode centimeter characteristic circuit coefficient coil component condenser conducting conductor considered curl current flowing curve deflection density determined dielectric constant direct-current direction discharge displacement distance effective electric field electromotive force electrons electrostatic element energy equal equation ferromagnetic flux force frequency function galvanometer given grad grid hence hysteresis impedance induction integral ions known Laplace's equation linear load magnetic field magnetic moment magnitude maximum measured meter motor negative normal obtained ohms oscillations output parallel phase plane plate polarization positive potential difference potentiometer produced proportional quantity radiation radius ratio reactance region represents resistance resonant rotation Show shown in Fig solenoid solution substance surface temperature terminals theorem torque transformer tube unit vector voltage volts wave wire written zero