Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PRELIMS > RAD 106 prelims > Flashcards

RAD 106 prelims Flashcards

1
Q

Small, dense, positively charged center of the atom which contains most of the atoms mass

A

Nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The components are lined up along one path. If the circuit is broken, all components turn off

A

Series circuit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Positively charged particles

A

Protons (1 amu)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which produces a charge redistribution of electrons in a material

A

Induction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A magnet made from a current bearing coil of wire wrapped around an iron or steel core

A

Electromagnetic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Are composed of smaller subatomic particles such as the proton, neutron, and electron.

A

Atoms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Used the cathode ray tube to discover electrons (plum pudding)

A

JJ Thomson

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The electrons in the outermost energy level

A

Valence electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Electrons flow in different directions in a wire

A

Alternating current (AC)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The compass wire experiment

A

Hans Christian Orstead 1777-1851

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

He proposed light as an EM-wave

A

James Clerk Maxwell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Are often referred to as the building blocks of matter

A

Atoms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Is the force of attraction between all masses in the universe; WEAKEST of all forces

A

Gravitational force

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Is a type of energy that consists of the movement of electrons between two points when there is a potential difference between them, making it possible to generate what is known as an electric current.

A

Electricity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The number of protons in the nucleus is the?

A

Atomic number

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

John Dalton’s Atomic Theory 1804

A

All matter is made of atoms
Atoms of one element are all the same
Atoms cannot be broken down into smaller parts
Compounds form by combining atoms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The flow of electrons from one place to another

A

Current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Is the force exerted by magnets when they attract or repel each other

A

Magnetism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The charge on an ion is called?

A

Electrostatic charge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Using a cathode ray tube, he discovered canal rays which are beams of positively charged particles; He is credited with the discovery of protons in an atom

A

Eugen Goldstein 1850-1930

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

He envisioned atoms as solid, hard spheres, like billiard (pool) balls, so he used wooden balls to model them

A

Dalton’s early atomic model

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What influences Resistance?

A

Material of wire – aluminum and copper have low resistance
Thickness – the thicker the wire the lower the resistance
Length – shorter wire has lower resistance
Temperature – lower temperature has lower resistance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Negatively charge ions result from the gain of electrons

A

Anions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

The measure of energy given to the charge flowing in a circuit

A

Voltage

25
Q

Particles that have no charge (neutral)

A

Neutrons (1 amu)

26
Q

Greek word for uncuttable

A

Atomos

27
Q

Materials through which electric current cannot move

A

Insulators

28
Q

Which transfer electrons between two objects in contact

A

Friction

29
Q

Is the mass of protons plus the mass of the neutrons

A

Atomic mass (recorded in the SI units: atomic mass units (amu))

30
Q
A
31
Q

Examples of Insulators

A

Styrofoam
Rubber
Plastic
Paper

32
Q

An area around the nucleus where electrons are likely to be found orbiting the nucleus in several energy levels

A

Electron cloud

33
Q

With a charged body which results in the transfer of electrons

A

Contact

34
Q

2 main ideas of Democritus

A

Atoms are the smallest possible particle of matter
There are different types of atoms for each material

35
Q

Difference between VOLTS and AMPS

A

AMPS measure HOW MUCH water comes out of a hose
VOLTS measure HOW HARD the water comes out of the hose

36
Q

The opposition to the flow of an electric current, producing heat

A

Resistance (ohms)

37
Q

Two regions of an atom

A

Nucleus
Electron cloud

38
Q

Smallest particle of an element that can exist alone

A

Atoms

39
Q

Positively charge ions result from the loss of electrons

A

Cations

40
Q

Negatively charged particles

A

Electrons (mass is VERY small)

41
Q

Subatomic particles of atomic nuclei

A

Gluons- zero charge
Quarks- carries protons

42
Q

Greek philosopher that suggested world was made of two things - empty space and “atomos”

A

Democritus 460 BC

43
Q

Examples of conductor

A

Metal
Water

44
Q

States that the voltage across a conductor is directly proportional to the current flowing through it, provided all physical conditions and temperatures remain constant

A

Ohm’s Law

45
Q

Atoms of the same element with varying number of neutrons

A

Isotopes

46
Q

Occurs when there is a loss of static electricity due to three possible things: friction, contact, induction

A

Static discharge

47
Q

The greater the resistance

A

The less current gets through

48
Q

Material through which electric current flows easily

A

Conductors

49
Q

Discovered the electron; He was the first scientist to show the atom was made of even smaller things

A

J.J. Thomson 1897

50
Q

Is a path for the flow of electrons. We use wires

A

Circuit

51
Q

Theory of relativity

A

Albert Einstein (1897-1955)

52
Q

Discovered the nucleus of a gold atom with his “gold foil” experiment

A

Ernest Rutherford 1913

53
Q

The build up of an electric charge on the surface of an object; is a potential energy, does not move, it is stored

A

Static electricity

54
Q

There are several branching paths to the components

A

Parallel circuit

55
Q

Where electrons flow in the same direction in a wire

A

Direct current (DC)

56
Q

Father of Physics

A

Isaac Newton 1642-1727

57
Q

Is responsible for decay of material

A

Weak nuclear force or weak interaction

58
Q

Is the energy required to remove an electron from an atom, a molecule, or an ion.

A

Electron binding energy or Ionization potential

PRELIMS (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions