which of the following causes phase shift through an op amp
- internal RC ckt
- negative feedback
- gain roll off of the internal transistor
- positive feedback
- #WeWontGiveItBack
- external Rc ckt
0 voters
thermocouple ammeter/voltmeter has
- none of these
- linear law respone
- squarelaw response
- logarithmc law response
0 voters
Guys... BEL ke exam mein Radar, Microwave aur Microprocessor mein se kaun kaun se syllabus mein hain? Microwave hai, ye shayad kisine kaha tha, baaki do bhi btado yaar...
Assuming earth to be a sphere of radius 6400 km and height of a geosynchronous satellite above Earth as 36000 km, the velocity of a geosynchronous satellite is __________ km/hr.
how to solve:
for a pnp transistr alpha=(alpha)reverse=0.9 and Ico=10 microA the value of Ics?
The important use of gray code is as a
- encoder
- decoder
- ripple counter
- full adder
0 voters
Apti + reasoning ka standard kya Rehta hai in bel
bhai log sab so gaye kya....koi ab qs kyon nahi daal raha
guys ISRO has come up with 49 vacancies in Electronics..
is radars an important topic?how many atmost questions can we expect from radars?
Fastest counter a.asynchronous b.ring c.ripple d.synchronous counter
the boolean expression - A' B + A B'C+ (A+B+C)' simplifies to
- AB’ + B’ C
- A B’ + BC’
- AB+BC
- A’B+B’C
- None
0 voters
which of the following is a square wave generator
- astable multivibrator
- hartley
- none
- colpitts
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which oscillator uses a tapped coil in tuned circuit
- hartley
- none…
- wein
- colpitts
0 voters
the basic amplifer in wein bridge oscillator consist of
- Ce-cb
- cc-ce
- cb-ce
- CE followed CC
0 voters
not an avalanch transit time diode
- lsa
- read diode
- trapatt
- baritt
0 voters
dipole antenna is generally used in hf for
- groundwave communication
- skywave communication
- satellite communication
- none of above
0 voters
using only t flipflops and no other component,one can cnstruct
- none
- sync counter
- ripple counter
- ring counter
0 voters
state machine whose o/p changes only when clock tick occurs
- sync combinational
- async sequential
- sync sequential
- none
0 voters