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 4969

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

TCS,

1 5632

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

TATA,

2 6751

SR flip flop is basically which type of multivibrator?

Bhel, HAL, PTC,

3 8544

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

HCL,

1 4011

what is call handover?

BSNL,

2376

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 9254

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 5818

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

BSNL,

6 10420

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

BSNL,

5 10054

What is the main difference b/w BJT&OPAMP

TCS,

2 11588

if current is basic si unit why it dependent on time

2 3774

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?

2116

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

1 3677

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

1849

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Un-Answered Questions { Electronics Communications }

wbsedcl job in kolkata

2118

What is the purpose of bleeder resistance in a rectifier circuit using l-c filter?

1077

Explain the working of current commutated chopper with aid of circuit diagram and necessary wave forms. Derive an expression for its output voltage?

1032

Suppose you have been asked to design one electronic circuit then starting from basic what procedure do you follow?It should include all standard industrial measures. Please reply.Thanks.

1965

What is the weight per meter (Kg/m)of 0.5mm dia copper 10 pair,50 pair and 100 pair,200 pair,500pair telephone cables?

2329

What is scope in rfid?

966

What are the different types of power mosfet?

1081

tell me a unforgettable incident? which u never forget in ur life?

2385

What is meant by mcmurray inverter?

1347

Why the degree of valve plugs and valve seat is slightly different I control valve trim design

2040

how do work current transformer?

2086

Pl. Brief about DNC.

1787

What is the importance of valence shell and valence electrons?

1095

What is the difference between synthesised frequency hopping and base band frequency hopping?

6085

Define what are the charge carriers in p-type and n-type semiconductors?

1007

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