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WorksheetsElectricity and Omhs Law
Total questions: 21
Worksheet time: 14mins
What is the formula equation for Ohm's Law?
P=IxR
P=IxE
W=X+V
W=A/V
The letter "I" corresponds with "Current", what does "E" correspond to?
(a)
Watts are a measure of power where one watt = one ____ of energy
gram
electron
joule
meter
What is electricity?
The flow of protons
Power
The flow of neutrons
The flow of electrons
What kind of particles travel through a current?
(a)
What does resistance measure?
How much the material or device reduces electrical currents traveling through them
How much the material or device amplifies electrical currents traveling through them
How many electrons are stopped
How much the material or device reduces potential/kinetic energy traveling through them
If "amps" are a measure of electrical current, what do ohms measure?
(a)
What is the difference between a series circuit and a parallel circuit?
Series circuit has 2 loops and a parallel circuit has more than 2
Series circuits are more powerful than parallel circuits
Series circuits contain one loop while parallel circuits contain 2 or more loops
They are the same
A (a) transforms mechanical energy into electrical energy typically by electromagnetic induction via Faraday's Law
In Faraday's Law, it states the faster the magnetic field changes...
The greater the voltage will be
The weaker the voltage will be
The slower the current will be
The faster the voltage will be
What is a motor?
Rotating coils of wire which are driven by the magnetic force exerted by a magnetic field on an electric current
Coils of wire which are moved by a batteries electrical force
That thing you put in your car
A light bulb, a battery, wires, and electricity combined
The force exerted by magnets is called what?
(a)
What kind of current changes direction over time?
(a)
What does a switch do?
turn things on and off
Halts electrons
Tells electrons where to go
connect or disconnect the conducting pathway in an electrical circuit
If a light goes out in a parallel circuit, what happens?
All lights go out
Only that light goes out
If a light goes out in a series circuit, what happens?
The other lights go out
All other lights remain on
All the bulbs burst and explode
The lights lose their power a bit
Motors are driven and powered by what kind of forces?
Electrical
Solar
Magnetic
Mechanical
A point at either end of a magnetic field where the magnetic force is concentrated and strongest is referred to as?
The North and South Pole
Magnetic Poles
Opposite Ends
Blue and Red Ends
When charge is flowing in a circuit, ____ is said to exist.
Current
Electricity
Power
Electrons
What kind of current travels ONLY in ONE direction?
(a)
Who's ready for the next CFA?
ME!!
Not me!
Maybe if we review some more
