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QUIZ: Can you name the components of Electricity?

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The purpose of a _____ capacitor is to create an electric field to oppose the electric field setup by free charges on the parallel plates.
Unit of measurement for 10^-6.
When you add more resistors in a series circuit, total resistance...
Safety devices built into main electricity circuits, designed to switch off the current if something goes wrong.
A bigger battery on an electromagnet will make the magnet...
In a parallel circuit, the total resistance is always ________ than any individual resistance.
T/F: Variable capacitors typically have small capacitance values.
For a given capacitor, ______ depends on voltage.
When you add more resistors in a parallel circuit, total current...
A magnetic material in which electrons are oriented so their individual fields cancel each other out.
A light goes off in a parallel circuit. This means the other lights...
A capacitor with a stored charge can act as a temporary...
Caused by the spinning of electrons as they move.
A magnetic material in which individual atoms are magnetic but the atoms are randomly arranged so overall magnetism is still zero.
Adding more coils on an electromagnet will make the magnet...
The voltage in a parallel circuit is ______ across each branch.
Unit of measurement for 10^-9
On a magnet, blue usually indicates the...
Magnets are usually made out of...
Unit of measurement for 10^-12
A ________ has many paths for electricity.
Hard magnets are magnet that will be...
At a branch point in a parallel circuit, the current flowing out must be _____ to the current flowing in.
A small group of metals with very strong magnetic properties.
What is this? 'You can induce a current in a closed wire if the magnetic field through the coil is changing.'
What is this? 'I = V/R'
When you add more resistors in a series circuit, total current...
A device that uses a small current to operate a switch to control a high current. It opens or closes one or more contacts between its terminals.
The two ends of a magnet are called...
T/F: The current is the same at all points in a parallel circuit.
________ capacitors are used in communication equipment like radios, televisions, and VCRs.
Inducing Voltage by changing the magnetic field around a conductor is called...
What is this? 'The total voltage drop/gain around any loop of a circuit is zero.'
A _______ is used to supply different values of current from one energy source.
A measure of a capicitors ability to store a charge on its plates.
When a current splits, it's called a...
What is this? 'All the current flowing into a branch point in a circuit must flow out.'
T/F: Magnetic field lines move from south to north.
The _______ of a branch in a parallel circuit determines the current in that branch.
T/F: Anything with a motor has a magnet.
A capacitor stores an ______ between the two plates.
On a magnet, red usually indicates the...
T/F: Once broken, a magnet may lose one or both poles.
What is the voltage equation for a capacitor?
The unit of capacitance is...

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