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Worksheets

Electric Circuits & Basics

Total questions: 15

Worksheet time: 30mins

Name
Class
Date
1.
Copper is used in wiring because it is an excellent______________ of electricity.
a)
circuit breaker
b)
conductor
c)
insulator
d)
fuse
2.

A material in which electrons are not able to move easily is called

a)

Insulators

b)

Conductors

3.

What is the flow of electric charges called?

a)

voltage

b)

current

c)

resistance

d)

electricity

4.
A closed path that electric current flows is a
a)
circuit
b)
series circuit
c)
parallel circuit
5.

What is the unit of measurement for current

a)

Ohm's

b)

Ampheres

c)

Volts

6.
What it the formula to find voltage. 
a)
I= V/R
b)
R=V/I
c)
V= I x R 
7.
Which material is an insulator?
a)
gold
b)
copper
c)
plastic
8.

Why do electricians always wrap copper wires in plastic or rubber?

a)

Plastic and rubber come in many different colors

b)

Plastic and rubber are good electrical conductors

c)

Plastic and rubber make the wires easy to bend

d)

Plastic and rubber are good electrical insulators

9.

The relationship between voltage, current, and resistance is described by....

a)

Bohr's Law

b)

Ohm's Law

c)

Kirkchoff's Law

d)

Lorentz' Law

10.

The massive center of an atom contains protons and neutrons. What is this called?

a)

Orbital Shell

b)

Electron Cloud

c)

Nucleus

d)

Photon

11.

The model of the atom that accounted for loose particles in orbit around a massive center is known as...

a)

The Einstein Model

b)

The Noether Model

c)

The Bohr Model

d)

The Ptolomeic Model

12.

What is the area where subatomic particles called electrons orbit loosely around the nucleus called?

a)

The phason

b)

The orbital shell

c)

The Oort Cloud

d)

The Bohr Bridge

13.

The electric potential energy of a circuit is sometimes called the ________________.

a)

Current

b)

Resistance

c)

Capacitance

d)

Voltage

14.

What charge does a neutron have?

a)

Positive

b)

Negative

c)

No charge

d)

Conductive

15.

What was Niels Bohr's fake name?

a)

Nicholas Sparks

b)

Nicholas Baker

c)

Nicholas Flammel

d)

Nicholas Cage