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Name the materials used in case of Solder and give reasons.
Solder: For soft solders tin, lead (in 50-50 ratio) alloy and for hard solders copper- zinc and silver alloy (in several proportions) are used due to their good electrical conductivity and low melting points.
For example:
(i) Soft solders: 40 percent Pbt and 60 percent Sn
(ii) Tinman's solders: 38 percent Pbt + 62 percent Sn
(iii) Plumber solders: 60 percent Pbt and 37.5 percent Sn + 2.5%
Antimony likewise lead silver cadmium silver and tin-zinc solders and so on.
NIS Sound Systems, Inc. produces and sells sound systems for both home and auto. DVD players used in the assembly of NIS systems are purchased from BUN Electronics. NIS purchasing
Write an assembly language program to determine one's complement and two's complement of an 8-bit number. Ans One's complement of an 8-bit number LDA 2501H CMA STA
what is compensation of bjt
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