Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Home
»
Electronics and Communication Engineering
»
Materials and Components
Assertion (A): Both sodium and ferrous are ferromagnetic. Reason (R): Both sodium and ferrous have body centred cubic structure.
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true but R is false
A is false but R is true
Correct Answer:
Both A and R are true but R is not correct explanation of A
← Previous Question
Next Question→
More Questions from
Materials and Components
Assertion (A): ∈0 has the dimensions of farad per meter. Reason (R): D = ∈0∈r E.
Assertion (A): Drift velocity of electrons is proportional to the applied electric field E. Reason (R): The average drift velocity per unit field is called mobility.
For iron, the ferromagnetic Curie temperature is
In a valence crystal, the valence electrons
The probability of recombination of electrons and holes in a semiconductor is proportional to
A photoconductor is a
Dielectric constant, under the condition of alternating fields, is a complex quantity.
The amount of time between the creation and recombination of a free electron and hole is called
In ferromagnetic materials, the orientation between neighbouring permanent dipoles is parallel.
As regards dielectric constant εr
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments