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Electronics and Communication Engineering - Materials and Components - Discussion

Discussion Forum : Materials and Components - Section 5 (Q.No. 35)
Materials and Components
35.
Consider the following statements
  1. An iron cored choke is non linear and passive device.
  2. A carbon resistor kept in sunlight is a time invariant and passive device.
  3. A dry cell is a time varying and active device.
  4. An air capacitor is time invariant and passive device.
Of these statements
1, 2, 3 and 4 are correct
1, 2, 3 are correct
1, 2, 4 are correct
2 and 4 are correct
Answer: Option
Explanation:
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