Cards in this guide (9)
What is the resistance in ohms of the computer-monitor combination when a desktop computer and monitor together draw about 1.2 A of current and they plug into a wall outlet that is 120 V
Which is true of magnetic field lines but not electric field lines
they show wich way iron shavings would align themselves
They always make closed loops.
Electric field lines can either form closed loops or they can
start and finish on isolated electric charges. Magnetic field lines
always only form closed loops.
Which converts mechanical energy to electrical energy
In terms of the scientific definition of work neither magnetic fields nor electric fields can do work
What type of fields are created by an arrangement of electric charges or a current
Magnetic fields can be created by charges or the flow of
current.
Why does shuffling feet across a carpet create electricity
Your feet get electrons from the carpet which produces static
electricity. If you touch someone afterwards, you will most likely
shock them.
Is an atom that has the same number of protons as neutrons a neutral atom
False. The atom that has the same number of protons as it has
electrons is a neutral atom.
What will be attracted to or repelled by an magnet
a copper wire carrying current and another magnet.
Which of the following would be best to do of you were inside a car and a power line fell on the car
wait for someone from the power company to come ant help -
APEX;0