Free Printable Intro to Electricity

Worksheets

Intro to Electricity

Total questions: 15

Worksheet time: 8mins

Name

Class

Date

Current electricity is produced when electrons flow in a conducting loop.

true

false

Rubbing two insulators like plastic balloon and a piece of cloth is an example of static electricity.

yes

The force that opposes and reduces the flow of electrical current is organized as ___

Power

Electromagnetism

Resistance

Frequency

A law that states that current is directly proportional to voltage and inversely proportional to resistance in known as ____

PEC

Kirchoff's Law

Law of Resistivity

Ohm's Law

In a neutral atom, the number of electrons is equal to the number of _______.

Neutrons

Orbits

Protons

subatomic particles

If two charges repel each other, the two charges must be

positive and neutral

positive and negative

positive and neutral

negative and negative

An object becomes charged when the atoms in the object gain or lose

electrons

protons

neutrons

all of the above

If you rub a glass rod with a piece of silk, the rod becomes positively charged. This means that

friction destroyed electrons in the rod.

the silk has become negatively charged.

protons have moved to the rod.

glass attracts more protons.

If you bring a charged object near an electrically neutral surface without allowing the object to touch the surface, the charges in the surface are rearranged by

friction.

convection.

induction.

conduction.

10.

Objects that have opposite charges

are attracted to each other, and the force between the objects pulls them together.

are attracted to each other, and the force between the objects pushes them apart.

are repelled by each other, and the force between the objects pulls them together.

are repelled by each other, and the force between the objects pushes them apart.

11.

Charging by ____ occurs when electrons are transferred from one object to another by direct contact.

reduction

induction

conduction

friction

12.

Two unlike charges_________

Attract each other

Neutralize each other

Repel each other

Have no effect on each other

13.

Earthing protects the appliance user from the grounded appliances.

True

False

14.

Earthing is a safety measure that connects the metal parts of an appliance to the ____________.

earth/ground

cement

15.

What is an electrical circuit?

a whole bunch of wires

a complete, unbroken path through which electric charges flow

a broken path that electric charges can flow

Reset

Intro to Electricity

Total questions: 15

Worksheet time: 8mins

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