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Electronics Communications Interview Questions
Questions Answers Views Company eMail

What is the difference between dcs & plc & scada?

1243

What is a bcd? What are its advantages and disadvantages?

1075

Define snooping cache?

1080

Define virtual ground in the op amp?

1028

Explain why is an excess-3 code is called an unweighted code?

1118

What is the differences between microprocessor and micro controller?

1022

Explain why gold is added to the p-n junction?

1174

Define noise in modulation?

1203

Explain how many mosfet switches are there in dynamic ram?

1055

Explain the purpose of the package around a microprocessor silicon die?

934

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

1002

Explain the main application of scr in electronic field as well as in software field?

1115

What is memristor? What is its advantage?

983

Explain when a sample of germanium and silicon having same impurity density are kept at room temperature then resistivity of silicon will be higher than that of germanium, why?

1092

what is different between three phase balanced and three phase unbalanced load with chart.?

1171


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

can any one help me out by posting something related to rvnl interview for site engineer electronics (S & T).? what is the procedure? what type of question they generally ask? how long the interview goes for one candidate? and any tips ??

1933


If we have 450 mm height boiler drum level, so what is span & zero value for a dpt transmitter?

3365


How many maximum slots we can use in ESMA card?

2042


Define latching current?

1385


69,70 or 71 in box-1 ; 18,19, or 20 in box-2 ; 60,61, or 62 in box-3 get -3 , -4 , or -5 in box-2 in 3 steps.Use all operations i.e. ( +,-,*,/ ).

2373


Explain why making capacity of the circuit breaker is higher than breaking capacity?

1054


What is an eeprom?

1111


t is the total number of sun glass sold which has c number of cartons and l loose glasses. Each cartons contains 27 glasses. If each sale of carton, 3rs discount is awarded on each glass. Each glass cost rs9. Box1- total number of glass sold box2- Cost of each glass box3-discount on each glass using any operation in 6 steps, bring total discount and total selling price in box2 and box3 respectively.

4773


What the types of breaking systems in circuit breakers? Why we use CT with fuse in series trip circuit breaker(HT), though we don't use fuse normally in CT output?

2290


What are the drawbacks of walsh codes?

1078


Explain why bjt is called current control device?

946


box1-2 box2-12 box3-350 using multiplication and division only bring 74 in box 3 in 3steps

4815


IN A PN JUNCTION DIODE,( ON FORWARD BIAS ) WHEN ELECTRONS AND HOLES PAIRS MADE AND CURRENT FLOWS,THEIR IS NO END OF ELECTRONS AND HOLES IN A LITTLE SEMICONDUCTOR DEVICE.

2168


What ODU work?

2177


draw the fig of bridge rectifier?

2120