BE Electronics Engineering

Which combinations has no phase inversion of the signal :-

In CE mode, leakage current is low;-

Leakage  current  flows  through the thyristor  in :-

Forward bias is applied to an NPN transistor by + voltage to the emitter and -voltage to the base:-

The mean life time of the minority carriers is in the range of a few:-

The time constant of an R-C circuit is defined as the time during which capacitor charging voltage actually rise to _________ percent of its maximum value;-

The ripple factor for a full wave rectifier is:-

Which element does not have five valence electrons:-

In case of indirectly heated tubes the heater filament is made of:-

A keeper is used to:-

Which  measurement  considers  phase  as an  important  parameter:

For insulators the energy gap of the order is:-

Which material has the highest value of dielectric constant:-

CE circuit has input signal to the base and output from the collector:-

The negative feedback  in an  amplifier  reduces  voltage  gain;-

Which rectifier needs four diodes:-

The SCR is a silicon diode rectifier with a gate control electrode:-

When both the inductance and resistance of a coil are doubled the value of time constant:-

Which  filter  has maximum  flatness :-

The  auto  starters   can be used  to start  cage  induction motor  of the  _________ type :-

The  weighing  matrix  is :-

Isolation amplifier  are  also  called as ;-

Which one is a acceptor impurity element:-

A thyristor  is  basically  ;

All the elements have three valence electrons except:-