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Electronics Communications Interview Questions
Questions Answers Views Company eMail

what is ripple rejection?

TCS,

1 4191

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

TCS,

1 4997

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

TATA,

2 5695

SR flip flop is basically which type of multivibrator?

Bhel, HAL, PTC,

3 7352

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

HCL,

1 3376

what is call handover?

BSNL,

1823

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 8277

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 4960

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

BSNL,

6 8590

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

BSNL,

5 8473

What is the main difference b/w BJT&OPAMP

TCS,

2 10560

if current is basic si unit why it dependent on time

2 2880

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?

 1661

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

 1 3057

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

 1433

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Un-Answered Questions { Electronics Communications }

What is ascii in reference to electronics?

670

Q.1what is E1? Q.2what is diffrence b/w RNC & BSC? Q.3what is STM? Q.4what is LAC & CI? Q.5 what is HSN, MAIO, MA Group & frequency hopping?

1770

Explain various types of antenna diversity.

3833

define drain resistance

653

What is photodiode?

589




What is the forbidden energy gap? How does it occur?

621

steps which are performed in the bios POST codes

1427

sir i want polytechnic lecturers model papers plzzzzzzzzz send me my mail id: manisri.bobbala@gmail.com

2205

What is an excess-3 code?

589

telecom rf engineer

3048

Define what is the significance of the arrow-head in the transistor symbol?

806

Explain why an ammeter should be of very low resistance?

601

What is the difference between emulator and simulator?

513

What are the types of commutation? (Or) turn off methods?

590

Example for negative feedback and positive feedback.

601

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