Principles of Electricity and Electromagnetism |
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Page 121
... resistances in this range can be constructed by sputtering or evaporating thin metallic layers on long quartz or glass rods and placing them in an evacuated container . བྷ 4.12 . - Plug type of resistance box . Variable Resistances ...
... resistances in this range can be constructed by sputtering or evaporating thin metallic layers on long quartz or glass rods and placing them in an evacuated container . བྷ 4.12 . - Plug type of resistance box . Variable Resistances ...
Page 135
... resistance of 7 ohms , a battery of 3 ohms internal resistance , and an emf . of 15 volts . Calculate the current flowing and the rate of generation of heat in the separate elements . 7. A wire of uniform resistance r per unit length is ...
... resistance of 7 ohms , a battery of 3 ohms internal resistance , and an emf . of 15 volts . Calculate the current flowing and the rate of generation of heat in the separate elements . 7. A wire of uniform resistance r per unit length is ...
Page 136
... resistance between the terminals of a megohm resistance box in order that it shall not be in error by more than 1 per cent ? 16. How low must the junction resistances of a 0.1 - ohm shunt be in order that the total resistance the shunt ...
... resistance between the terminals of a megohm resistance box in order that it shall not be in error by more than 1 per cent ? 16. How low must the junction resistances of a 0.1 - ohm shunt be in order that the total resistance the shunt ...
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angle antenna 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 result rotation seen separation Show shown simple solution space surface temperature terminals transformer tube unit vector volts volume wave wire written zero