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WorksheetsElectricity and Magnetism
Total questions: 20
Worksheet time: 10mins
The negatively charged particle in an atom is a(n):
Electron
Proton
Neutron
Oligtron
Positive electric charges
attract both positive charges and negative charges.
repel both positive charges and negative charges.
attract positive charges and repel negative charges
repel positive charges and attract negative charges.
The motion of electrons is called
power
induction
current
amps
A circuit with an open switch has it's switch in the ________ position
On
Off
A device that protects a circuit by from having too much current is called a
switch
short
fuse or breaker
resistor
Voltage is
the potential electrical energy or push that makes electrons flow
causes a short circuit with electrical energy
is the term used for rate of charge flow
Wastes energy by allowing current to flow
Materials that do not allow electrons to move are called
conductors
insulators
Ohmmeters
Voltmeters
the relationship between voltage, current, and resistance is called __________ Law
Newton's
Murphys
Ohm's
Faraday's
When you rub a balloon on your head ...
electrons are given by your hair to the ballon
electrons are given by the balloon to your hair
Protons are given by your hair to the ballon
Protons are given by the balloon to your hair
A laptop is plugged into a 120 V outlet and uses 60 ohm's of resistance. How much current is running though it?
120 Amps
60 Amps
2 Amps
20 Amps
What happens to the current in a series circuit if you increase the the number of lightbulbs
the current goes down
the current goes up
Nothing happens
A SERIES circuit has 3 light bulbs. You remove 2 of the lightbulbs from the circuit and now have a complete circuit with 1 light bulb. Will the remaining light bulb be brighter, dimmer, or stay the same?
Brighter
Dimmer
Stay the same
A PARALLEL circuit has 3 light bulbs. You remove 2 of the lightbulbs from the circuit and now have a complete circuit with 1 light bulb. Will the remaining light bulb be brighter, dimmer, or stay the same?
Brighter
Dimmer
Stay the same
A current in a series circuit
decreases to zero
stays the same at all points
is strongest in the largest resistor
is weakest in the largest resistor
A parallel circuit has ________ pathway(s) and a series circuit has ____________ pathway(s)
multiple, a single
a single, multiple
multiple, multiple
a single, a single
An electric current in a metal consists of moving
protons
neutrons
quarks
electrons
A north pole of a magnet is attracted to a ...
South pole of a magnet
North pole of a magnet
You can increase the strength of an electromagnet are increasing the current, adding iron to the core, and .....
increasing the number of coils on the magnet
Decreasing the number of coils on the magnet
Dividing the number of coil
We buy power from utility companies in....
Power; Watts
Energy; kWh
Current; Amps
Voltage; Volts
A generator converts.....
Mechanical Energy to Chemical Energy
Mechanical Energy to Nuclear Energy
Electrical Energy to Sound Energy
Mechanical Energy to Electrical Energy
