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Electronics Communications Interview Questions
Questions Answers Views Company eMail

what is ripple rejection?

TCS,

1 3921

A 12v regulated dc power supply has a voltage regulation of 0.5% find amagnitude of variation?

TCS,

1 4715

why we prefer expressing the gain of an amplifier on a logarithmic scale rather than linear scale?

TATA,

2 5229

SR flip flop is basically which type of multivibrator?

Bhel, HAL, PTC,

3 6881

How fast can the o/p of an op-amp change by 10v ,if its slew rate is 0.5v/micro sec.

HCL,

1 3138

what is call handover?

BSNL,

1625

Memory allocation of variables declared in a program is? a) allocated in RAM. b) allocated in ROM. c) allocated on stack. d) assigned to registers.

BSNL,

2 7759

What is the type of signaling used between two exchanges? a) inband b) common channel signaling c) any of the above d) none of the above.

BSNL,

2 4610

Frequency at which VOICE is sampled is? a) 4 KHz b) 8 KHz c) 16 KHz d) 64 KHz

BSNL,

6 7551

What is the maximal decimal number that can be accommodated in a byte? a) 128 b) 256 c) 255 d) 512

BSNL,

5 7843

What is the main difference b/w BJT&OPAMP

TCS,

2 10165

if current is basic si unit why it dependent on time

2 2576

im ranjith having 63%in my b tech with 25 backlogs,cleard all .. im having 1100 in gre and 90 in my toefl can i get visa? im planning spring 2011 pls help me i applied for i20 im applying 4 universities pls help me can i get visa? shall i prefer canada if i could not get visa?

1481

What are two types of components to produce the op-amp

1 2693

Can you help me to explain briefly the function of Op-Amp in circuit design.tq

1274


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Un-Answered Questions { Electronics Communications }

How to increase the gain and directivity of an antenna?

3069


Hi; May you please tell me that There are any best institute or training center in north India region like as Delhi NCR for Protocol stack development & testing, which are better for experienced & professional engg.

1405


Which Programer/Programing Software Should i use to program Mitsubishi FX Series PLC. PLZ DO ANSWER

1236


how to charge for Annual Maintanence

1329


Discuss the role of electronics in the medical world.

428






The output of a 60hz full-wave bridge rectifier has a 60 hz ripple. It this circuit working properly?

552


hi i am rajini i want rrb previous question papers with answers can you tell please where i can get it

1494


What is the difference between microprocessor and DSP?

1467


why the hysteresis is necessary?

1848


Where to use friend function in binary operator overloading . How? explain with an example.

1359


is there any good institute in mumbai that provides good Automation courses ?

1370


What is the need for frequency compensation in practical op-amps?

450


Define offset voltage as applied to an op-amp.

517


Explain how many states does signal has?

440


i am fresher for giving intervivew in it sector and also sales electronics. all about related qustions send me please?

1547