What are the answers For 13th,16th,17th questions

Electronics & Communication
1

1504926338039-167197129
1504926338039-1671971293264×1836 1.8 MB

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2

@chaituvarma
17th answer 500w

15064095831892123374457
150640958318921233744572189×2918 1.62 MB

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3

@chaituvarma
13th answer is 1/600

1506409780088622209656
15064097800886222096563096×4128 2.91 MB

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