Materials and Components - Part 1 Online Exam Quiz
Materials and Components - Part 1 GK Quiz. Question and Answers related to Materials and Components - Part 1. MCQ (Multiple Choice Questions with answers about Materials and Components - Part 1
Diamond is a paramagnetic material.
Options
A : True
B : False
C : -
D : -
Which capacitor-store higher amount of energy?
Options
A : Air capacitor
B : Paper capacitor
C : Mica capacitor
D : Plastic film capacitor
Above ferroelectric curie temperature, spontaneous polarization in ferroelectric materials becomes stronger.
Options
A : True
B : False
C : -
D : -
In paramagnetic materials
Options
A : permanent magnetic dipoles exist but the interaction between neighbouring dipoles is negligible
B : permanent magnetic dipole do not exist
C : permanent magnetic dipoles exist and the interaction between neighbouring dipoles is very strong
D : permanent magnetic dipole moment may or may not exist
The conductivity of intrinsic semiconductor is given by
Options
A : en i (? p - ? n )
B : en i (? p + ? n )
C : n i (? p + ? n )
D : n i (? p ? n )
The core of a coil has a length of 10 cm. The self inductance is 8 mH. If the core length is doubled, all other quantities remaining the same, the self inductance will be
Options
A : 32 mH
B : 16 mH
C : 8 mH
D : 4 mH
The minority carrier life time and diffusion constant in a semiconducting material are 100 ?s and 100 cm 2 /s respectively. The diffusion length of carriers is
Options
A : 0.1 cm
B : 0.01 cm
C : 0.0141 cm
D : 1 cm
Two materials having temperature coefficients of 0.004 and 0.0004 respectively are joined in series. The overall temperature coefficient is likely to be
Options
A : 0.08
B : 0.04
C : 0.001
D : 0.0001
The number of valence electrons in pentavalent impurity is
Options
A : 5
B : 4
C : 3
D : 1
If the diameter of a wire is doubled, its current carrying capacity becomes
Options
A : one-fourth
B : half
C : twice
D : four times
Analog Electronics - Part 1 more Online Exam Quiz
Communication Systems - Part 1
Electromagnetic Field Theory - Part 1
Electronic Devices and Circuits - Part 1
Exam Questions Papers - Exam Paper 1
Measurements and Instrumentation - Part 1
Microwave Communication - Part 1