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Study Quiz 5.3
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1

What is the term we use to describe how difficult it is for electrons to pass through a load?
A)hardness
B)circuit
C)resistance
D)component
2

As electrons are forced through the ____ against resistance, their electrical energy is converted into other forms of energy.
A)load
B)source
C)circuit
D)current
3

Inside a light bulb there is a tiny, coiled piece of wire that has a very high resistance. What is this wire called?
A)a resistor
B)a filament
C)an electrical ground
D)a lead-in wire
4

When you turn on a light, electrons are pushed through the filament, which resists the electrons. This resistance causes the filament to ____ and glow, and this produces light.
A)burn out
B)uncoil
C)bend
D)heat up
5

A light bulb and a hair dryer work in a similar way because ____.
A)they contain parallel circuits
B)they produce the same amount of light
C)they need to be grounded
D)they both use electricity that is converted to heat
6

A Danish physics professor named Hans Oersted discovered that he could create ____ with an electric current.
A)a compass
B)a parallel circuit
C)a magnetic force
D)a series circuit
7

What is the term given to magnetism produced by electricity?
A)a filament
B)electromagnetism
C)heat
D)light
8

An electromagnet is ____ created by an electric current.
A)a temporary magnet
B)a permanent magnet
C)a grounded magnet
D)an electric field
9

One of the most important uses of electromagnets is ____.
A)in a light bulb
B)in an electric motor
C)as a force field
D)in a compass
10

Electricity to light, electricity to heat, and electricity to magnetic effects are three ways an electric current converts ____.
A)electrical energy
B)parallel circuits
C)pathways
D)resistance





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