Quiz: Neets Module 1
NEETS_electronics reviewer
- 1.Matter can be found in which of the following forms?
- A.
Solid
- B.
Liquid
- C.
Gaseous
- D.
Each of the above
- 2.A substance that CANNOT be reduced to a simpler substance by chemical means is called a/an
- A.
Element
- B.
Mixture
- C.
Compound
- D.
Solution
- 3.A molecule is the smallest possible particle that retains the characteristic of which of the following substances?
- A.
An element
- B.
A mixture
- C.
A compound
- D.
A solution
- 4.What subatomic particle has a negative charge and a small mass?
- A.
Proton
- B.
Electron
- C.
Positron
- D.
Neutron
- 5.What subatomic particle has a positive charge and a large mass?
- A.
Proton
- B.
Electron
- C.
Positron
- D.
Neutron
- 6.What subatomic particle has no charge?
- A.
Proton
- B.
Electron
- C.
Positron
- D.
Neutron
- 7.An atom is the smallest possible particle that retains the characteristic of which of the following substances?
- A.
An element
- B.
A mixture
- C.
A compound
- D.
A solution
- 8.When light is represented as a tiny packet of energy, what are these packets of energy called?
- A.
Angstroms
- B.
Photons
- C.
Wavelengths
- D.
Frequencies
- 9.If light energy collides with an orbiting electron, what happens to the electron?
- A.
The electron will move around the same orbit faster
- B.
The electron will jump to an orbit further from the nucleus
- C.
The electron will jump to an orbit closer to the nucleus
- D.
The electron will merge with the nucleus
- 10.The number of electrons in the outermost shell of an atom determines which of the following characteristics of the atom?
- A.
Valence
- B.
Atomic weight
- C.
Atomic number
- D.
Number of shells
- 11.When an atom gains or loses an electron, which of the following terms applies?
- A.
Unbalanced
- B.
Lightened
- C.
Neutral
- D.
Ionized
- 12.What is the main difference between conductors, semiconductors, and insulators?
- A.
The temperature differences
- B.
The physical state of their mass
- C.
The number of free electrons
- D.
The designations of the outer shells
- 13.A substance with an excess of electrons is considered to be in what electrical state?
- A.
Neutral
- B.
Positive
- C.
Negative
- D.
Discharged
- 14.Which of following actions describes the easiest way to accumulate a static electric charge?
- A.
Friction between two conductors
- B.
Friction between two insulators
- C.
Pressure between two conductors
- D.
Pressure between two insulators
- 15.An atom that contains 6 protons and 5 electrons has what electrical charge?
- A.
Positive
- B.
Negative
- C.
Neutral
- D.
Intermediate
- 16.How do "like" and "unlike" charges react to one another?
- A.
Unlike charges repel each other, like charges repel each other
- B.
Unlike charges attract each other, like charges attract each other
- C.
Unlike charges repel each other, like charges attract each other
- D.
Unlike charges attract each other, like charges repel each other
- 17.What is/are the term(s) applied to the space between and around charged bodies in which their influence is felt?
- A.
Electric field of force
- B.
Electrostatic field
- C.
Dielectric field
- D.
Each of the above
- 18.Electrostatic lines of force are drawn in which of the following manners?
- A.
Entering negative charge, entering positive charge
- B.
Entering negative charge, leaving positive charge
- C.
Leaving negative charge, leaving positive charge
- D.
Leaving negative charge, entering positive charge
- 19.Which of the following devices use magnetism?
- A.
Batteries
- B.
Light bulbs
- C.
High-fidelity speakers
- D.
Each of the above
- 20.Magnetic materials have which of the following qualities?
- A.
They are attracted by magnets
- B.
They can be magnetized
- C.
Both 1 and 2 above
- D.
They are electrical insulators
- 21.Ferromagnetic materials have which of the following qualities?
- A.
They are all alloys
- B.
They all contain nickel
- C.
They make very weak magnets
- D.
They are relatively easy to magnetize
- 22.A material with low reluctance and high permeability such as iron or soft steel is used to make what type of magnet?
- A.
Temporary
- B.
Permanent
- C.
Residual
- D.
Natural
- 23.The ability of a material to retain magnetism is called
- A.
Permeability
- B.
Retentivity
- C.
Reluctance
- D.
Ionization
- 24.The law of magnetic poles states which of the following relationships?
- A.
Like poles attract, unlike poles attract
- B.
Like poles attract, unlike poles repel
- C.
Like poles repel, unlike poles repel
- D.
Like poles repel, unlike poles attract
- 25.The north indicating pole of a compass needle is attracted to which of the following poles of the earth?
- A.
The geographic north pole
- B.
The magnetic north pole
- C.
The geographic south pole
- D.
The magnetic south pole
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