It's Electric
SI Units and More
Circuit It Out
It's Magnetic
Little of it All
100
If an atom loses electrons, it becomes this.
What is a positively charged ion?
100
What is the SI unit of electric charge?
What is the coulomb?
100
How many paths through which charge can flow would be shown in a circuit diagram of a series circuit?
What is one path?
100
DOUBLE JEOPARDY! As the distance between two magnets increases, the magentic force increases or decreases?
What is decreases?
100
DOUBLE JEOPARDY! A DC generator is similar to an AC generator except that in DC generators, ______________ produce ________ current.
What is cummutators, direct?
200
DOUBLE JEOPARDY! The strength of an electric field depends on these two things.
What is the amount of charge that produced the field and the distance from the charge?
200
The rate of doing work is known as this.
What is power?
200
DOUBLE JEOPARDY! Most of the circuits in your home are this type.
What are parallel circuits?
200
Field lines begin at the _____ pole, and extend toward ____ pole.
What north and south?
200
DOUBLE JEOPARDY! This is the property that causes subatomic particles such as protons and electrons to attract or repel each other.
What is electric charge?
300
If a positive and negative charge are brought near each other, would they attract or repel each other?
What is attract?
300
The unit of power is this.
What is the watt?
300
Which of the following provides electrical safety? (circuit breaker, fuse, ground-fault interrupter, all of these)
What is all of these?
300
This is the name of the area surrounding Earth that is influenced by Earth's magnetic field.
What is Earth's magnetosphere?
300
Electric force depends on these two variables.
What is distance and charge?
400
DOUBLE JEOPARDY! Walking across a carpet is an example of a charge beign transferred by this. It always occurs when you rub a balloon on your head.
What is friction?
400
This type of current is used in a battery.
What is direct current?
400
Which of the following would reduce the resistance of a metal wire? (increase thickness, increase temp., increase length, all of these)
What is increase the thickness?
400
A device that changed mechanical energy into electric energy by rotating a coil of wire through a magnetic field is called a ______________.
What is a generator?
400
Charge can be transferred in these three ways: induction, _________, and __________.
What is friction and contact?
500
An ____________ is a solenoid with a ferromagnetic core.
What is an electromagnet?
500
The current in a clothes iron measure 5.0 amps. The resistance of the iron is 24 ohms. What is the voltage?
What is 120 V?
500
This device is made from a crystalline solid that conducts only under certain circumstances.
What is a semiconductor?
500
Before electric current in power lines can be safe for your home, it must pass through a ______-______ transformer.
What is step-down?
500
A device that increases or decreases the voltage and current of two linked AC circuits is known as this.
What is a transformer?
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