## Principles of Electricity and Electromagnetism |

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Page 135

°C. 185°C. and assuming room temperature to be 20°C., how long will it take for

the fuse

temperature of the copper

°C. 185°C. and assuming room temperature to be 20°C., how long will it take for

the fuse

**wire**to melt for a short-circuit current of 25 amp. and what will then be thetemperature of the copper

**wire**? (Neglect the loss of heat by conduction, etc.) 6.Page 557

The efficiency of a loop as a receiver or radiator in comparison with a straight

• 1, and since n is a unit vector perpendicular to E, Eq. (16.31) can be written 2t/\

E' ...

The efficiency of a loop as a receiver or radiator in comparison with a straight

**wire**can be obtained from Eq. (16.31). The emf. induced in a**wire**of length 1 is E• 1, and since n is a unit vector perpendicular to E, Eq. (16.31) can be written 2t/\

E' ...

Page 565

will be discussed under certain simplifying conditions; for a more detailed

account reference should be made to the current literature.i Consider a plane

wave incident on a

by the ...

will be discussed under certain simplifying conditions; for a more detailed

account reference should be made to the current literature.i Consider a plane

wave incident on a

**wire**of length l with its electric vector in the plane determinedby 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