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SSC JE 2017:Electrical Materials Rankers Quiz 6
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Question 1
Elements can reach a stable atomic structure by
Question 2
What is the packing fraction of a BCC (body-centered cubic) unit cell?
Question 3
The following material is not used for making a piezoelectric transducer
Question 4
Consider the following statements:
Piezoelectric materials
1) Crystal can be shown aselectrical equivalent circuit similar to an inductor and a capacitor (Tank circuit).
2) Quartz, Rochelle salt, tourmaline.
3) Used in voltage stabilizers.
4) This exhibits the reverse effect electrostriction.
Which of these statements are correct?
Piezoelectric materials
1) Crystal can be shown aselectrical equivalent circuit similar to an inductor and a capacitor (Tank circuit).
2) Quartz, Rochelle salt, tourmaline.
3) Used in voltage stabilizers.
4) This exhibits the reverse effect electrostriction.
Which of these statements are correct?
Question 5
When a ferromagnetic substance is magnetized, ther ar small changes in dimensions.The phenomenon is called
Question 6
Match List-I with List-II and select the correct answer using the code given below the lists:
List-I
A) No eddy current loss
B) Small hysteresis loss
C) Large hysteresis loss
List-II
1) Ferrimagnetic material
2) Soft magnetic material
3) Hard magnetic material
4) non-ferrous material
List-I
A) No eddy current loss
B) Small hysteresis loss
C) Large hysteresis loss
List-II
1) Ferrimagnetic material
2) Soft magnetic material
3) Hard magnetic material
4) non-ferrous material
Question 7
The current flow in a semiconductor is due to
1) Drift current
2) Displacement current
3) Diffusion current
1) Drift current
2) Displacement current
3) Diffusion current
Question 8
Orientational polarization is
Question 9
High permittivity ceramic is used for capacitors of
Question 10
Which effect is the converse of Peltier effect?
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