AC Bridges MCQ Questions
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Maxwell-Wien bridge is used for measuring
(a) capacitance (b) dielectric loss
(c) inductance (d) phase angle
Maxwellโs 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
โฆโฆ.. bridge is used for measuring an unknown inductance in terms of a known capacitance and resistance.
(a) Maxwellโs L/C (b) Hayโs
(c) Owen (d) Anderson
Anderson bridge is a modification of โฆโฆ. bridge.
(a) Owen (b) Hayโs
(c) De Sauty (d) Maxwell-Wien
Hayโs 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 โฆโฆโฆ 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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