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Quiz: Structure, Statics, and Ohm’s law

Total questions: 16

Worksheet time: 24mins

Name
Class
Date
1.

What is the charge of the nucleus?

a)

positive

b)

negative

c)

neutral

d)

both positive and negative

2.

Almost the whole mass of an atom is concentrated in

a)

the number of electrons

b)

the number of protons

c)

the number of neutrons

d)

the nucleus

3.

What is the relative mass of an electron?

a)

1

b)

1/2

c)

1/200

d)

1/2000

4.

Match the Following

a)

Element

1.

A substance that cannot be broken down into simpler substances by physical or chemical means.

b)

Atom

2.

The smallest unit of an element that keeps the element’s chemical properties.

c)

Nucleus

3.

The dense center of an atom containing protons and neutrons.

d)

Proton

4.

Positively charged particles found in the nucleus of an atom.

e)

Neutron

5.

Particles with a neutral charge found in the nucleus of an atom.

5.

Which TWO particles can be changed within an element without changing what the element is?

a)

Neutrons

b)

Electrons

c)

Protons

6.
What is it called when an object gains a charge when touched by a charged object?
a)
Induction
b)
ESD
c)
Conduction
d)
Conducting path
7.

When an object gains electrons it becomes __________

a)

Neutral

b)

Positively charged

c)

Negatively charged

8.
When you charge a balloon by rubbing it on your hair this is an example of what method of charging?
a)
Friction
b)
Conduction
c)
Grounding
d)
Induction
9.
Which particle in an atom can you physically manipulate?
a)
protons
b)
electrons
c)
neutrons
d)
you can't manipulate any particle in an atom
10.
During a physics lab, a plastic strip was rubbed with cotton and became positively charged. The correct explanation for why the plastic strip becomes positively charged is that ...
a)
the plastic strip acquired extra protons from the cotton.
b)
the plastic strip acquired extra protons from the charging process 
c)
protons were created as the result of the charging process
d)
the plastic strip lost electrons to the cotton during the charging process 
11.
What word means how fast the electrons flow.
a)
Current
b)
Voltage
c)
Resistance
d)
Power
12.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
d)
light
13.
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
a)
25 V
b)
10 V
c)
2.5 V
d)
0.4 V
14.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
15.
What resistance is needed to cause a 50A current flow because of a 500V battery?
a)
10Ώ
b)
c)
2500Ώ
d)
550Ώ
16.
With the engine running the charging system produces 14.5 Volts what would the current flow be if a resistance of 6 Ohms was present
a)

2.41 amps

b)

2.52 amps

c)

2.1 amps

d)

0.3333 amps