Optimus Prime (transformers)
This type of transformer decreases voltage
Step-down transformer
type of energy stored in fossil fuels
chemical potential energy
fossil fuels are burnt to produce ________?
heat
230V
a portable source of electricity
Transformers only work with this type of current
alternating current (a.c.)
NOT a fossil fuel, but a powerful energy source
Nuclear
water is boiled to produce steam, which has ____
kinetic energy
transmission is carried out through this
electricity grid
energy conversion in a dry cell when it is used
chemical potential energy to electrical energy
The core of a transformer is made of this
iron
Cleanest fossil fuel
Natural Gas
the thing that is turned by the steam
turbine(s)
what is an electricity grid?
A network of electrical cables and electrical substations.
current flows from _______ terminal to _______ terminal
positive to negative
the primary coils have fewer turns than the secondary coil
step-up transformer
The three types of fossil fuels
natural gas, oil, coal
energy conversion inside the generator
kinetic energy to electrical energy
In Singapore, transmission is done mostly _____.
underground
harmful effects of nuclear energy/radiation
burns, cancer, deformed offspring
working of a transformer is based on this
principles of electromagnetism
produces the most air pollutants when burnt
coal
Seven (7)
Electricity is stepped up before transmission in order to _____.
reduce energy loss
Location of nuclear power plant in Japan affected by Tsunami 11 years ago
Fukushima