Q290
Consider the following statements: For a 10 m long common power line connecting a switch to a light bulb 1. It is distributed circuit 2. Time delay for propagation through it is negligible 3. It is in the form of a shielded coaxial cable of circular cross-section 4. As the intensity of the lamp varies, input impedance of this line also changes Which of the above statements is/are correct?
A.
1 only
B.
1 and 2
C.
2 and 3
D.
2 and 4
AnswerAnswer: Option D
Solution
Answer: Option D
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