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

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

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Electronic Devices and Circuits
The output, V-I characteristics of an Enhancement type MOSFET has

Only a saturation region
An ohmic region at large voltage values preceded by a saturation region at lower voltages
An ohmic region at low voltage value followed by a saturation region at higher voltages
Only an ohmic region

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Electronic Devices and Circuits
Assertion (A): In p-n-p transistor collector current is termed negative.Reason (R): In p-n-p transistor holes are majority carriers.

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

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Electronic Devices and Circuits
When diodes are connected in series to increase voltage rating the peak inverse voltage per junction

may be equal to or less than breakdown voltage
should not exceed the breakdown voltage
should not exceed half the breakdown voltage
should not exceed one third the breakdown voltage

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