Electronic Devices and Circuits
Which variety of copper has the best conductivity?

Pure annealed copper
Copper containing traces of silicon
Hard drawn copper
Induction hardened copper

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Electronic Devices and Circuits
Assertion (A): A p-n junction has high resistance in reverse direction.Reason (R): When a reverse bias is applied to p-n junction, the width of depletion layer increases.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true

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