Can be harvested and

concentrated to produce steam

(a)  

Use giant windmills that collect

energy from fast-moving winds

(a)  

Hydroelectric Power Plants use

the stored potential energy of

flowing or falling water

(a)  

Geothermal Power plants use heat under Earth’s surface

(a)  

This is used to produce steam

which passes over the blades,

rotates the turbine and makes

the generator produce

electricity.

(a)  

comes from manure or other

types of bio-waste.

(a)  

This gas is highly

flammable which when

burned also generates a

huge amount of energy.

(a)  

in the form of

yellow-to-black liquid

formed from the remains

of animals.

(a)  

Hard, black-colored rock

formed from the remains

of plants.

(a)  

come from the remains of the

plants and animals that formed

a hundred million years ago.

(a)  

Where wires are laid in coils,

usually wrapped around the

laminated soft iron magnetic

core so as to form magnetic

poles when energized with

current.

(a)  

Electromagnets that generate a

magnetic field in a rotating

electromagnetic device that

employs the use of multiple

coils of wire through which

current flows.

(a)  

Stationary graphite strips

connected to the slip rings or

split ring.

(a)  

Also known as a commutator,

convert alternating current to

direct current.

(a)  

components used to transmit

current from a stationary part to

a rotating one or vice versa.

(a)  

Assembly of paddle wheels

arranged in such a way that it

can efficiently collect forces of

nature

(a)  

Made to rotate in the magnetic

field of powerful electromagnets

(a)  

Located at the middle

and is usually subjected

to the magnetic field

created by the stator

(a)  

Fixed or non rotating

structures such as

magnets

(a)  

Developed a three-phase

system in which instead of only

a single magnetic field acting on

a coil of wire is present, three

rotating magnetic fields will act

on coils of wire causing it to

produce mechanical energy.

(a)  

It was a non-sparking motor that

maintained relatively constant

speed under variable loads.

(a)  

Jacobi’s electric motor

consisted of horseshoe

electromagnets and used

commutators and brushes to

deliver current to the whole

device.

(a)  

Built an oscillating

electromagnetic motor in 1831

that he regarded as a

“philosophical toy”

(a)  

He is the first one to invent the

commutated rotary machine

with magnets in 1828.

(a)  

Invented the very first rotating

device in 1822 known as the

Barlow’s Wheel, a freely

rotating spiked wheel connected

to a power source surrounded

by a magnetic field from a

horseshoe magnet.

(a)  

Types of Electric Motor

(a)  

Has a rotating magnetic

field and a stationary

armature

(a)  

Powered by direct

current sources like

batteries

(a)  

Used to identify the direction of

movement of the

current-carrying wire if placed in

a magnetic field.

(a)  

- Slightly modified galvanometer

- Converts electrical energy into

mechanical energy

(a)  

Current-detecting device that

uses a stationary magnet

mounted with moving coil

attached to a needle.

(a)  

your right thumb in the direction

of the current, the direction of

the magnetic field is the

direction of the curl of the

remaining four fingers.

(a)  

This idea was first noted by

Hans Christian Oersted in 1820

during one of his lectures.

(a)  

He invented the

Ferranti-Thompson Alternator

with the help of Lord Kelvin in

1882.

(a)  

One of the first dynamos was

built by Hippolyte Pixii in 1832.

(a)  

First person to create a

generator in 1831 using

electromagnetic induction

(a)  

Used to identify the direction of

the current.

(a)  

Types of Generators

(a)  

Which causes current,

(a)  

A device capable of converting

mechanical energy into

electrical energy

(a)  

Process of generating electricity

from the motion of magnets

(a)  

In 1831, he set up a magnet

and a solenoid connected to a

galvanometer.

(a)  

In 1820, he discovered the

relationship between electricity

and magnetism

(a)  

Discovered the connection

between the magnetic field and

electric current

(a)  

The magnetic field around an

electric current is directly

proportional to the electric

current that serves as the

source of the magnetic field.

(a)  

Indicates the direction of the

current and magnetic field in a

conductor such as wires

(a)  

Rate at which an electric charge

(a)  

Opposite poles attract, while

like magnetic poles repel one

another

(a)  

Unit to measure the magnitude

of a field

(a)  

A region around a magnet that

causes a magnetic force

(a)  

Kinds of Magnets

(a)  

soft magnets consist of

materials such as

annealed iron.

(a)  

typically consist of iron,

nickel and other earth

alloys that make up hard

magnets

(a)  

An object that displays

magnetic properties. It has two

magnetic poles, the north and

the south pole.\

(a)  

Phenomenon wherein an object

is attracted by another object

without the presence of any

contact.

(a)  

Named after Charles-Augustin

de Coulomb, a French physicist

who worked on static electricity

(a)  

Parts of a Camera

(a)  

By convention, these field lines

are illustrated as coming out

from a positive charge going

towards a negative charge.

(a)  

the movement of electric

charge through an

electric field placed in

wires and other

conductors.

(a)  

the electric charge does

not move, causing an

imbalance of charge on a

material surface.

(a)  

Benjamin Franklin (1706-1790)

- Flying a kite in the middle of a

thunderstorm

- Invention of lightning rod

(a)  

Contains less protons

and more electrons

(a)  

Contains more protons

and less electrons

(a)  

Defined as the flow of energy as

an electrical charge. It is

created when electrons move

along a conductor.

(a)  

refers to the total light energy

per unit area that reaches the

film.

(a)  

Shorter focal length and smaller

image but larger field of view

(a)  

Longer focal length and

increases the size of an image

(a)  

Used to focus the light to

produce bright and clear images

(a)  

Similar to the iris, regulates the

amount of light entering the

aperture

(a)  

Similar to the eye’s pupil, it

serves as a pathway of light to

the camera

(a)  

Allows the light to enter when

opened and blocks the light

when closed

(a)  

an optical device used for

recording images either

electronically or on film.

(a)  

A pair of small telescopes

attached side by side.

(a)  

Commonly used when viewing

very far objects such as stars.

(a)  

Uses a combination of a curved

mirror and eyepiece lens

(a)  

Useful in viewing relatively

nearer objects, such as the sun,

the moon or the planets.

(a)  

Enlarged, virtual and inverted

image are formed

(a)  

what is a combination of two

lenses to form an image:

(a)  

Uses curved mirror instead of a

lens

(a)