Electronics (Villamor Test I Part I)

14 Questions | By Imbanoob | Last updated: Mar 21, 2022 | Total Attempts: 61

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1.

What composes all matter whether a liquid, solid, or gas?
- A.
  
  Atoms
- B.
  
  Electrons
- C.
  
  Neutrons
- D.
  
  Protons
2.

Which of the following is not a basic part of an atom?
- A.
  
  Electron
- B.
  
  Proton
- C.
  
  Neutron
- D.
  
  Coulomb
3.

What is the smallest element of a matter?
- A.
  
  Atom
- B.
  
  Molecule
- C.
  
  Crystal
- D.
  
  Wafer
4.

To determine whether a material can support the flow of electricity or not, we need to examine its
- A.
  
  Atomic structure
- B.
  
  Physical state
- C.
  
  Molecular structure
- D.
  
  Chemical composition
5.

Approximate diameter of an atom
- A.
  
  A. 10^-10 µµm
- B.
  
  B. 10^-10 µm
- C.
  
  C. 10^-10 mm
- D.
  
  D. 10^-10 m
6.

The lightest kind of atom or element
- A.
  
  Helium
- B.
  
  Oxygen
- C.
  
  Hydrogen
- D.
  
  Titanium
7.

Known as the simplest type of atom.
- A.
  
  Oxygen
- B.
  
  Hydrogen
- C.
  
  Nitrogen
- D.
  
  Helium
8.

Approximate diameter of a Hydrogen atom
- A.
  
  1.1 x 10^-10 µµm
- B.
  
  1.1 x 10^-10 µm
- C.
  
  1.1 x 10^-10 mm
- D.
  
  1.1 x 10^-10 m
9.

A commonly used model in predicting the atomic structure of a material.
- A.
  
  String model
- B.
  
  Wave model
- C.
  
  Particle model
- D.
  
  Bohr model
10.

Is at the center of an atomic structure in a Bohr model.
- A.
  
  Electrons
- B.
  
  Protons
- C.
  
  Neutrons
- D.
  
  Nucleus
11.

The nucleus of an atom is normally
- A.
  
  Neutral
- B.
  
  Positively charged
- C.
  
  Negatively charged
- D.
  
  Either positively or negatively charged
12.

What particles that revolve around the positive nucleus?
- A.
  
  Electrons
- B.
  
  Protons
- C.
  
  Neutrons
- D.
  
  Electrons & protons
13.

In electricity, positive electric charge refers to ____________.
- A.
  
  Protons
- B.
  
  Neutrons
- C.
  
  Electrons
- D.
  
  Atoms
14.

What is the charge of an electron?
- A.
  
  1.6022 x 10^-19 C
- B.
  
  9.1096 x 10^-19 C
- C.
  
  1.6022 x 10^-31 C
- D.
  
  9.1096 x 10^-31 C