An Introduction to Linear Electric Circuits |
From inside the book
Results 1-3 of 24
Page 61
... adjustment of the bridge arms . Calculate an approximate value for the unknown resistance P. ( b ) The galvanometer responds most sensitively to a small change in the resistance of any arm when the resistances of the four arms are of ...
... adjustment of the bridge arms . Calculate an approximate value for the unknown resistance P. ( b ) The galvanometer responds most sensitively to a small change in the resistance of any arm when the resistances of the four arms are of ...
Page 182
... adjustment of Co , it follows that Vi is minimised , so that An equivalent condition is and therefore 2 a Vi = 0 . aco a Vi = ac v -2w2L ( 1 - w2LC + rG ) + 2w2r ( LG + Cr ) = 0 . This simplies to C = L / ( r2 + w2L2 ) . The critical ...
... adjustment of Co , it follows that Vi is minimised , so that An equivalent condition is and therefore 2 a Vi = 0 . aco a Vi = ac v -2w2L ( 1 - w2LC + rG ) + 2w2r ( LG + Cr ) = 0 . This simplies to C = L / ( r2 + w2L2 ) . The critical ...
Page 228
... adjustment of component values in the conventional bridge arms . The detector is next connected to S ' , and the bridge is balanced by adjustment of Z ' and Z2 ' . The characters and range of magnitudes of these components must be ...
... adjustment of component values in the conventional bridge arms . The detector is next connected to S ' , and the bridge is balanced by adjustment of Z ' and Z2 ' . The characters and range of magnitudes of these components must be ...
Common terms and phrases
adjustment alternating current alternative ammeter ampere amplitude angular frequency approximately Argand diagram arrangement balance condition battery behaviour bridge arms C₁ calibrated capacitor charge circuit of Fig complex admittance complex impedance conductors connected in parallel connected in series constant current flows diagram earthed effect energy equal equation exp jwt galvanometer gives i₁ illustrated in Fig inductor initial input impedance internal resistance Kirchhoff's second law ladder linear magnetic magnitude matching load maximum measured mutual inductance obtained ohmic positive potential difference potential divider potentiometer purely resistive quantity R₁ rad s¹ ratio reactance relation resistor resonance rheostat secondary circuit series circuit series LCR circuit series resistance shunt source of emf steady current supply switch T-section terminals Theorem tion transformer transient variable voltage voltage and current voltmeter waveforms Weston cell Wheatstone bridge Wheatstone-type bridges wire Z₁ Z₂ zero