Principles of Electricity and Electromagnetism |
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Page 340
... angular displacement . If the plane of the coil with no current flowing through is parallel to the field , find its angular displacement when it carries a current i . 7. Show that if the coil of a tangent galvanometer is rotated about a ...
... angular displacement . If the plane of the coil with no current flowing through is parallel to the field , find its angular displacement when it carries a current i . 7. Show that if the coil of a tangent galvanometer is rotated about a ...
Page 359
... angular velocity in the absence of a field , the atomic centripetal force on it must be mor to balance the centrifugal tendency . If a field H is applied in the direction of rotation , an additional centrifugal force ew Hr makes its ...
... angular velocity in the absence of a field , the atomic centripetal force on it must be mor to balance the centrifugal tendency . If a field H is applied in the direction of rotation , an additional centrifugal force ew Hr makes its ...
Page 412
... angular velocity w ' , the relative rotation ww ' , which written w , and called the angular velocity of slip , deter- mines the torque . This is seen to vanish at synchronism , w ' w , and hence , as there is always a retarding ...
... angular velocity w ' , the relative rotation ww ' , which written w , and called the angular velocity of slip , deter- mines the torque . This is seen to vanish at synchronism , w ' w , and hence , as there is always a retarding ...
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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 dynamic resistance effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer grad harmonic hence impedance induction integral ions known length linear load magnetic field magnetic moment magnitude maximum measured meter negative obtained ohms oscillations output parallel phase plane plate current positive potential difference potentiometer quantities R₁ radiation radius ratio reactance region represents resistance resonant rotation scalar shown in Fig solution surface temperature terminals theorem torque transconductance triode tube unit vacuum tube vector velocity voltage volts wave wire written zero