FUNCTION -5 (ELECTRICAL)

FILL IN THE BLANKS

1) In a P-Type Semiconductor, the majority current Carriers are ______________

ANS.: Holes

2) In a P-Type Semiconductor, the minority current Carriers are __________

ANS.: Electrons

3) In an N-Type Semiconductor, the majority current Carriers are ___________

ANS.: Electrons

4) In an N-Type Semiconductor, the minority current Carriers are _______________

ANS.:  Holes

5) In a Control Loop System, having Zero (0) Positive Real Values are called ___________

ANS.: Unstable

6) Open loop function system having one zero with positive real value is called __________  phase function.

ANS.: Non Minimum

7) The value of open loop circuit 1.0 added with real value with curve __________phase

ANS.: Stable 

8) Resistance of a wire is increased if the Length is ___________ and Area is ____________

ANS.: increased, decreased

9) In squirrel cage induction motor speed depends upon ____________ of the rotating stator field

ANS.: Speed

10) What is PIV _____________

ANS.: Peak Inverse Voltage

11) Why wires are multiple standard _______________

ANS.: Flexibility

12) Tightly knit metal braid wire can be used with a printed circuit board when __________

ANS.: DE soldering components in the circuit

13) Break down diode effects are _____________________

ANS.: Zener effect, Avalanche effect and Reverse biased

14) Semiconductors failed to over current reason ______________ and ______________

ANS.: Low breakdown voltage, overheating

15) Series RLC voltage or impedance totals must be calculate by _________vectors.

ANS.: Voltage

16) A semiconductor is damaged by a strong current, because of (3 fill in the blanks)

ANS.: Short circuit, Overloading, Overheating

17) Semiconductor forwarding current will be _____________ if potential is overcome

ANS.: Maximum

18) A material having good no. of electron in outer most shell is called a ______________

ANS.: Conductor

19) Unit of electric intensity is ___________

ANS.: Volt / Meter (V/M)

20) MCCB (protections) – __________________

ANS.: Thermal protective trip

21) Voltage and impedance of R-L-C circuit was found by ________________

ANS.: Phasor Diagram

22) A semiconductor having no impurities and having no lattice crystalline defect is known as ___________ or ____________

ANS.: Intrinsic semiconductor, Undopped semiconductor 

23) At zero Kelvin the semiconductor will be an _____________________

ANS.: Insulator

24) A MCB provides protection against short circuit by using an _________________

ANS.: Electromagnet

25) The rate of rise of current through an inductive coil is maximum ______________

ANS.: at the rate of current flow

26) Diode circuit which is used to clip off signal voltage is called a _______________

ANS.: Clipper Circuit

27) Permanent magnets are generally made up of _______________

ANS.: Alnico Alloys

28) The direction of induced emf can be found with the help of __________

ANS.: Lenz Law

29) The unit of absolute permittivity of a medium is _______________

ANS.: Farad / Meter

30) For a given line voltage for heating coils will produce max heat when connected in _________

ANS.: Parallel

31) How to check ceramic type fuse _______________

ANS.: Continuity Test

32) The value of VGS which makes ID current approximately zero is called ________________ voltage

ANS.: Cutoff

33) The output frequency of a full wave rectifier is __________ or _________ the input frequency

ANS.: twice, two times

34) Breakdown diode can also be used as a ___________, _____________

ANS.: Voltage regulator, Motor protection

35) In practice, earth is chosen as a place of zero electric potential because it has __________

ANS.: almost constant potential

36) Current carried by each of the two long parallel conductors is doubled. If their separation is also doubled,   force between them is ________________

ANS.: Increase two fold

37) A material with very less flow of electrons is called ___________________

ANS.: Insulator

38) A sine wave consists of no of cycles __________________ cycles

ANS.: One

39) The output voltage of their phase alternator is regulated by _____________

ANS.: DC Voltage to the field

40) For a JFET small changes in drain current for a given change in gate to source voltage with the drain to source voltage is referred to as __________________

ANS.: Trans conductance & Pinch off voltage

41) If the barrier potential of a diode is exceeded, the forward current will be ______________

ANS.: Maximum

42) Limit switch ðE/n throttle ð_______________

ANS.: limits pilot v/v moment

43) Fuse materials

ANS:   Lead, Tin, Zinc, Silver, Aluminum, Copper, Antimony