問題一覧
1
Electric comes from the Greek word of amber which is "elektron".
It is one of the basic forms of energy.
It can be generated in many ways (connection in a circuit, induction by change in magnetic field)
ELECTRICITY
2
Electric comes from the Greek word of __ which is "elektron".
amber
3
Charge in which they stay in one place.
Can be produced by conduction and induction of charges via a charging body.
STATIC CHARGE
4
• Flow of electric charges from one point to another
• Like the current flowing through a wire
MOVING CHARGE
5
• Are materials that allow electrical charges to move from one material to another.
• E.g. Copper, Gold, Aluminum, Iron, Silver
CONDUCTORS
6
Are non-conductors in which charges are very much localized (stay in its position).
• E.g. Rubber, Plastics, Ceramics, Wood, Glass.
INSULATORS
7
• Behaves as insulators and sometimes as conductors.
SEMICONDUCTORS
8
Have no resistance at a critical
temperature
• E.g. Particle Accelerator.
SUPERCONDUCTORS
9
Charging with contact Electrons move directly from
one body to another
CONDUCTION
10
Charging without contact
Electrons move to or from the ground
INDUCTION
11
states that the electrical force between two charged objects is directly proportional to the product of the quantity of charge on the objects and inversely proportional to the square of the separation distance between the two objects.
Coulomb's law
12
• Field around a charge that exerts a force on other charges.
Solve the problem of action-at-a-distance force an (like
gravitational force)
ELECTRIC FIELD
13
states that the total electric flux that passes
to a closed object is
equal to the charge enclosed divided by the permittivity of free space.
Gauss' Law
14
• Energy is defined as the capacity to do work
Potential energy is the energy of a body due to its position and converted into useful work normally
• Is the amount of electric potential energy per unit charge
ELECTRIC POTENTIAL
15
• A __ is a circuit component temporarily charges
within
that stores the
circuit.
CAPACITORS
16
• The amount of charges stored in a capacitor per unit of electric potential is referred to as __.
CAPACITANCE
17
In a__, the components are connected one after the other so that the same current flows through all of them. There is only one path for the
electricity.
SERIES CIRCUIT
18
In a __, each component is connected to the source by its own set of wires. There are many paths for the electricity to flow.
PARALLEL CIRCUIT
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1
Electric comes from the Greek word of amber which is "elektron".
It is one of the basic forms of energy.
It can be generated in many ways (connection in a circuit, induction by change in magnetic field)
ELECTRICITY
2
Electric comes from the Greek word of __ which is "elektron".
amber
3
Charge in which they stay in one place.
Can be produced by conduction and induction of charges via a charging body.
STATIC CHARGE
4
• Flow of electric charges from one point to another
• Like the current flowing through a wire
MOVING CHARGE
5
• Are materials that allow electrical charges to move from one material to another.
• E.g. Copper, Gold, Aluminum, Iron, Silver
CONDUCTORS
6
Are non-conductors in which charges are very much localized (stay in its position).
• E.g. Rubber, Plastics, Ceramics, Wood, Glass.
INSULATORS
7
• Behaves as insulators and sometimes as conductors.
SEMICONDUCTORS
8
Have no resistance at a critical
temperature
• E.g. Particle Accelerator.
SUPERCONDUCTORS
9
Charging with contact Electrons move directly from
one body to another
CONDUCTION
10
Charging without contact
Electrons move to or from the ground
INDUCTION
11
states that the electrical force between two charged objects is directly proportional to the product of the quantity of charge on the objects and inversely proportional to the square of the separation distance between the two objects.
Coulomb's law
12
• Field around a charge that exerts a force on other charges.
Solve the problem of action-at-a-distance force an (like
gravitational force)
ELECTRIC FIELD
13
states that the total electric flux that passes
to a closed object is
equal to the charge enclosed divided by the permittivity of free space.
Gauss' Law
14
• Energy is defined as the capacity to do work
Potential energy is the energy of a body due to its position and converted into useful work normally
• Is the amount of electric potential energy per unit charge
ELECTRIC POTENTIAL
15
• A __ is a circuit component temporarily charges
within
that stores the
circuit.
CAPACITORS
16
• The amount of charges stored in a capacitor per unit of electric potential is referred to as __.
CAPACITANCE
17
In a__, the components are connected one after the other so that the same current flows through all of them. There is only one path for the
electricity.
SERIES CIRCUIT
18
In a __, each component is connected to the source by its own set of wires. There are many paths for the electricity to flow.
PARALLEL CIRCUIT