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Materials and Components - Engineering

Q1:

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

A 1, 2, 3 and 4 are correct

B 1, 2, 3 are correct

C 1, 2, 4 are correct

D 2 and 4 are correct

ANS:A - 1, 2, 3 and 4 are correct

No answer description is available.