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

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electronic Devices and Circuits
An intrinsic silicon sample has 1 million free electrons at room temperature. As the temperature is increased

The number of free electrons and holes increase but not by the same amount
The number of free electrons and holes increase by the same amount
The number of free electrons increases
The number of free electrons increases but the number of holes decreases

ANSWER DOWNLOAD EXAMIANS APP