. When a inductive coil connected to a 200 V, 50Hz ac supply with 10A current flowing through it dissipates 1000 watts then which of the following will have least value in ohms a.) Resistance b.) Reactance c.) Impedance d.) None
3 9025For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel
11 22941. 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 8137. 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 6503When 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 10796Sparking occur when a load is switched off because the circuit has high a.) Inductance b.) Capacitance c.) Resistance d.) None
14 44086Sparking 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 16693RF amplifier of an A.M. receiver is normally biased in a.) Class 'A' b.) Class 'b' c.) Class 'C' d.) None
5 17652Post New BSNL Interview Questions
Should we create system software ( e.g operating system ) in java ?
what do you know about Retroviral transduction of mouse t lymphocytes ?
Which is the purpose for using the scriptmanager?
How would you begin to troubleshoot an ORA-3113 error?
How do I remove microsoft visual c++ 2015 redistributable?
What are statistical internal orders?
Draw a flowchart to produce a printed list of all the students over the age of 20 in a class .The input records contains the name and age of students. Assume a sentinel value of 99 for the age field of the trailer record
What are the 3 types of web?
What is the difference between hibernate and spring?
Define what is regular expressions?
What is linq expression?
What is used for tracking uncertain events? a) Filtering algorithm b) Sensors c) Actuators d) None of the mentioned
What is the cube root of 729?
explain about Visual Merchandising.
what are the disadvantages of soft agar assay?