Science, asked by upkar151617, 8 months ago

Which of the following is called sludge?
(a) Metallic wastes
(b) Slimy mire
(c) Plastics
(d) All of these​

Answers

Answered by durgathakur902
7

Answer:

b is the answer.........

Answered by Anonymous
0

Answer:

Explanation:When the pn junction diode is forward biased width of the depletion region reduces and becomes zero. Width of the depletion region disappears when voltage across diode reaches knee voltage. Hence diode acts as a closed switch and conducts

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