In terms of classical representation of electrons an atom is essentially empty a

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Question
In terms of classical representation of electrons
Options
A. an atom is essentially empty
B. an atom is essentially full
C. an atom may be essentially empty or full depending on the material
D. an atom may be essentially empty or full depending on temperature

Correct Answer

an atom is essentially empty

Materials and Components problems

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5. If m, v, r are the mass, velocity and radius of orbit of electron and h is Planck's constant, quantum condition for electron's orbit is
Options
A.
B.
C.
D.

7. Assertion (A): For a magnetic material M = (?_r - 1) H, where M is magnetic dipole moment/m³, H is field intensity A/m and ?_r is relative permeability.
Reason (R): ?_r can have any value from 0 to hundreds of thousands.
Options
A. Both A and R are true and R is correct explanation of A
B. Both A and R are true but R is not correct explanation of A
C. A is true but R is false
D. A is false but R is true

9. High frequency inductors and capacitors are commonly plated with silver. The main purpose of this is to
Options
A. reduce dc resistance
B. reduce ac resistance
C. increase dc resistance
D. increase ac resistance

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