AC Bridges MCQ Questions
Best Book for Electrical Measurements & Instrumentation
A Course In Electronic Measurements And Instrumentation, A K Sawhney
Maxwell-Wien bridge is used for measuring
(a) capacitance (b) dielectric loss
(c) inductance (d) phase angle
Maxwell’s L/C bridge is so-called because
(a) it employs L and C in two arms
(b) ratio L/C remains constant
(c) for balance, it uses two opposite impedances in opposite arms
(d) balance is obtained when L = C
…….. bridge is used for measuring an unknown inductance in terms of a known capacitance and resistance.
(a) Maxwell’s L/C (b) Hay’s
(c) Owen (d) Anderson
Anderson bridge is a modification of ……. bridge.
(a) Owen (b) Hay’s
(c) De Sauty (d) Maxwell-Wien
Hay’s bridge is particularly useful for measuring
(a) inductive impedance with large phase angle
(b) mutual inductance
(c) self inductance
(d) capacitance and dielectric loss
The most useful ac bridge for comparing the capacitances of two air capacitors is ……… bridge.
(a) Schering (b) De Sauty
(c) Wien series (d) Wien parallel
The heaviside-Campbell Equal Ratio bridge is used for measuring
(a) self-inductance in terms of mutual inductance
(b) capacitance in terms of inductance
(c) dielectric loss of an imperfect capacitor
(d) phase angle of a coil
ANSWERS
c 2. c 3. d 4. d 5. a 6. b 7. a
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