Electrical Engineering · Electrical Measurements
Which of the following relations represents a necessary core requirement to achieve a balance condition in Campbell’s modified Heaviside bridge?
- 1Series resistance of coils must be zero
- 2All arms must have equal total reactance
- 3Ratio of resistances equals the ratio of inductances✓
- 4Phase angle difference between two adjacent arms is exactly 90°
Correct answer
Ratio of resistances equals the ratio of inductances
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