Analog Electronics
When a transistor is connected in common emitter mode, it with have

Medium input resistance and high output resistance
Negligible input resistance and high output resistance
High input resistance and low output resistance
Low input resistance as well as output resistance

ANSWER DOWNLOAD EXAMIANS APP

Analog Electronics
In an OP-amp differentiator

Output occurs when input is finite and constant
The amplitude of output is proportional to input
Polarity of input and output is the same
The amplitude of output is proportional to rate of change of input

ANSWER DOWNLOAD EXAMIANS APP