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): For Diamond, μr = 1 Reason (R): Diamond is a diamagnetic material.
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 and R is correct explanation of A
Explanation:
For diamagnetic materials μ
r
= 1.
← Previous Question
Next Question→
More Questions from
Materials and Components
In metals the valence electron wave functions are strongly perturbed by the presence of neighbouring atoms.
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
Assertion (A): For a solenoid having N turns, . Reason (R): For all magnetic materials, B increases linearly with I.
The law J = σE, where J is current density, σ is electrical conductivity and E is field strength is
If ∈r' and ∈r" are the real and imaginary parts of complex dielectric constant ∈r, and δ is the loss angle. Then
Diamond is a paramagnetic material.
Assertion (A): Silicon is less sensitive to changes in temperature than germanium. Reason (R): Cut in voltage in silicon is less than that in germanium.
The number of valence electrons in pentavalent impurity is
There is no hysteresis phenomenon is any dielectric material.
The hysteresis phenomenon in ferromagnetic materials exists at all temperatures.
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments