CHICKEN
The SI unit of ENERGY
Joule
TRUE or FALSE.
Magnetic repusion is the only test to confirm whether an object is a magnet.
TRUE
When a paper clip is brought near a permaniet magnet, it is attracted to the magnet. When this happens, we say that the paper clip has become what?
induced magnet
TRUE or FALSE. Iron is an example of a soft magnet.
True
How many languages does your physics teacher speak?
2
Which of the following materials is NOT attracted to magnets?
A.Iron B.Copper C.Nickel D.Cobalt
B. Copper
it is the flow of electric charge, typically through a conductor such as a wire
Electric current
A refrigerator consumes 500 watts of power and is left on for 24 hours. How much electrical energy does it consume?
12 kWh
these are magnets that form when a current flows through a coil.
electromagnets
What Instagram account has the highest number of followers?
it is the name of the area around a magnet where magnetic forces can be detected
magnetic field
who invented compass made of lodestone?
Chinese people
it cosists of a group of atomic magnets pointing in the same direction.
Magnetic domain
If Singapore Power charges 27 cents for each kWh of electric energy used, calculate the total cost of using a 3kW electric kettle for 20 minutes and a 100 W filament bulb for 7 hours.
45.9 cents or $0.46
In the hit anime series Jujutsu Kaisen, what type of weapon does Nobara use to exorcise curses?
Hammer
it is the path that allows electric current to flow through a complete loop, typically made up of conductors, switches, and other electrical components
circuit
A 100-watt light bulb is left on for 10 hours. How much electrical energy does it consume (in joules)?
3 600 000 J or 3.6 x 106 J or 3600 kJ
In wind power, what energy is converted into electrical energy?
Kinetic energy
A light bulb draws 1 ampere of current when connected to a 120-volt power source. What is the power consumed by the bulb?
120 watts
complete the lyrics:
She said, "Love me like you paid me"
You know I'll be _____ for so long
So give me all of your love, give me something to dream about
gone
An electric water heater consumes 2000 watts of power and is left on for 3 hours per day. How much electrical energy does it consume in one month (30 days)?
180 kWh
process whereby an object becomes magnet when it is near or in contact with a magnet.
magnetic induction
1.08 x 107 J
it is the phenomenon where a magnetic material retains some magnetization even after the external magnetic field has been removed.
magnetic hysteresis
When was Sekolah Pelita Utama established?
2015