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Electronics and Communication Engineering - Measurements and Instrumentation - Discussion

Discussion Forum : Measurements and Instrumentation - Section 8 (Q.No. 25)
Measurements and Instrumentation
25.
Consider the following statements about mutual inductances:
  1. The value should remain constant under all conditions.
  2. The mutual inductance should not vary with temperature.
  3. The inductance should be independent of excitation.
  4. They have two coils wound on a bobbin of hard magnetic material, coils being separated by a range.
Out of the above, correct statement are
2, 3, 4
1, 2, 3
1, 3, 4
1, 2, 4
Answer: Option
Explanation:
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