Electronics Communications Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electronics Communications Interview Questions

Questions Answers Views Company eMail

what is ripple rejection?

TCS,

1 4976

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

TCS,

1 5639

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

TATA,

2 6764

SR flip flop is basically which type of multivibrator?

Bhel, HAL, PTC,

3 8551

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

HCL,

1 4014

what is call handover?

BSNL,

2380

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 9260

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 5826

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

BSNL,

6 10437

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

BSNL,

5 10075

What is the main difference b/w BJT&OPAMP

TCS,

2 11590

if current is basic si unit why it dependent on time

2 3779

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?

2118

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

1 3686

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

1855

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Un-Answered Questions { Electronics Communications }

how a choke of tubelight can be used to increse reciving power of antina?

1977

Why 440 volts instead of 660 volts in 3 phases of supply system?

917

Define what types of carriers are present in space charge region?

1166

what is call handover?

2380

What do you understand by collector reverse saturation? In which configuration does it have a greater value?

1433

What is an idea current source?

1188

The ratio of Emissive to absorption power of heat by a body is equal to heat emitted by a perfect black body. Who said the statement

2308

What is transformer utilization factor?

1142

What is Cycling Frequency Hopping?

2616

Hi, sir. im in need of placement questions to train myself as a professional engineer. this is my kind request.

1815

What are fet`s?

1014

explain structure of optical fibre

2259

What are semiconductor devices?

1034

which data are need when microwave are linked in communication..???

2164

How to calculate knee point voltage? Describe its purpose for differential protection.

1023

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