For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel
11 23222. If we have a parallel plate capacitor of plate area 'A' and plate separatoin t and having a capacity C and a metallic plate r of area A and of negligible thickness is introduced in the capacitor at a distance from either of the two plates as shown in the given figure then the capacity of the capacitor will become a.) b.) C c.) 2C d.) 4C
3 8232. A superconductor is a a.) A material showing perfect conductivity and Meissner effect below a critical temperature b.) A conductor having zero resistance c.) A perfect conductor with highest di-magnetic susceptibility d.) A perfect conductor which becomes resistance when the current density through it exceeds a critical value
1 6594When an inductor tunes at 200 KHz with 624 pF capacitor and at 600 KHz with 60.4 pF capacitor then the self capacitance of the inductor would be a) 8.05 pF b) 10.05pF c.) 16.01pF d.) 20.01pF
3 11049Sparking occur when a load is switched off because the circuit has high a.) Inductance b.) Capacitance c.) Resistance d.) None
14 44598Sparking between contacts can be reduced by inserting a a.) Resistance in the line b.) Capacitor in series with contacts c.) Capacitor in parallel with contacts d.) None
4 16901RF amplifier of an A.M. receiver is normally biased in a.) Class 'A' b.) Class 'b' c.) Class 'C' d.) None
5 17910Post New BSNL Electronics Communications Interview Questions
What are views used for?
Explain about trigger frame?
What is the purpose of namespace?
If suppose 10 methods of dissolution given in pharmacopoeial for single content product then which method out of 10? or all 10 require to follow?
Why does a balance sheet show how much a business is worth? Why has there been an attempt to place value on human assets? On a balance sheet, why is capital shown next to liabilities?
Explain which versions are used in the bo dashboard work?
What is the elements of WCF service used in client side?
Does safari use html5?
What is XT (eXtended Technology)
How does work in progress could affect goods which are supposed to be in transit?
What is Bullwhip effect in supply Chain, how it affects the supply chain and how would you reduce it?
What are the different storages available in android?
Do you know maximum transfer unit, mtu?
How does combination of functions reduce memory requirements in embedded systems?
Explain Parallel Processing in SAP HANA?