問題一覧
1
An element consist of
one kind of atoms
2
Electrons have a
negative charge
3
Voltage is
potential difference
4
The flowing symble is
rheostat
5
Is made by one kind of atom
elements
6
An atom that has gained a surplus of electrons is said to be
negative charge
7
The smallest element of any compound
molecule
8
Resistance of a circuit decrease if a/an
short occurs in a series or parallel circuit
9
Which of the form of voltage source require polarity markings
direct current
10
A current is electrical
flow
11
Neutron and protons are located the?
nucleus
12
In heavy equipments electrical system, a resistor could be
any of the above
13
A conductor of electricity is a material that
allows the electrons to move through it
14
A break in the normal path of an electron circuit causes a/an:
open circuit
15
And if the atom has lost a number of electrons, it is called a
positive charge
16
If an open occurs in a circuit, current is
decrease
17
Amperage is
measurement of current
18
Particle found on the nucleus of the atom are the and the
proton and neutron
19
Voltage is
electrical force
20
The smallest element that exist?
atoms
21
The nucleus of atoms has
protons and neutrons
22
As resistance of a circuit increases
current increases
23
And the negatively charge particle is the
electron
24
Amount of current is determined by
source voltage and resistance of the circuit
25
If a resistor in a circuit is shorted, an ammeter in the circuit would indicate
more current flow
26
Most insulation are
compound of two or more elements
27
Resistance is
determined by circuit construction
28
Atoms consist 3 still smaller particules
electron, protons and neutrons
29
The following symble is
motor
30
Of this three particles, the positive side charge is the
proton
31
Resistance of a conductor is determined by
length, cross-sectional area, temperature and type of material
32
Consist of neutron, protons and electrons
atoms
33
As applied voltage increases
current increases
34
The electrons found in the outermost orbit of the atoms are known as
valence electrons
35
Technician should wear static straps when working on any electronic components to prevent discharge of damaging voltage that are produced by
friction
36
When two or more atoms of different elements combined?
compound
37
Reduced current flow in a series circuit can be caused by
corroded