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Electricity

Electricity

Question 1 of 19

1

What is Charging by Friction

Select one of the following:

  • Takes place when contact is made between a neutral object and a charged object

  • when static charges build up as different materials rub together

  • when a charged object is close to a neutral object, the electric field of the charged object produces an attractive force on the neutral object

Explanation

Question 2 of 19

1

What is charging by Contact?

Select one of the following:

  • When static charges build up as different materials rub together

  • When a charged object is close to a neutral object, the electric field of the charged object produces an attractive force on the neutral object

  • takes place when contact is made between a neutral object and a charged object

Explanation

Question 3 of 19

1

An insulator is a material in which electrons cannot move easily from one atom to another, what is an example

Select one of the following:

  • rubber

  • copper

  • aluminum

Explanation

Question 4 of 19

1

An electrical conductor is a material in which electrons can move easily between atoms

Select one of the following:

  • True
  • False

Explanation

Question 5 of 19

1

Water is both an insulator and conductor

Select one of the following:

  • True
  • False

Explanation

Question 6 of 19

1

like charges attract

Select one of the following:

  • True
  • False

Explanation

Question 7 of 19

1

Opposite charges attract

Select one of the following:

  • True
  • False

Explanation

Question 8 of 19

1

Charged and neutral objects repel each other

Select one of the following:

  • True
  • False

Explanation

Question 9 of 19

1

The electrostatic series

Select one of the following:

  • is a way to predict what charged will be gained by objects when they are rubbed together.

  • are a series of technologies that use static charges in order to accomplish a task

  • is a way to tell what is connected in parallel and what is connected in series

Explanation

Question 10 of 19

1

In a series circuit there is only one path in which electrons can flow

Select one of the following:

  • True
  • False

Explanation

Question 11 of 19

1

In a parallel circuit there is only one path along which electrons can flow

Select one of the following:

  • True
  • False

Explanation

Question 12 of 19

1

What is an electric current

Select one of the following:

  • A flow of electric charge. Is often carried by moving electrons in a wire. ( A ) Amperes ( I )

  • The difference of electrical potential between two points ( V ) Voltage

Explanation

Question 13 of 19

1

The difference of electrical potential between two points is

Select one of the following:

  • Electrical Current

  • Voltage

  • Resistance

Explanation

Question 14 of 19

1

What is the calculation of Ohm's law?

Select one of the following:

  • V=IR

  • R=V/I

  • I=V/R

  • All of the answers

Explanation

Question 15 of 19

1

An ammeter is connected in series in a circuit

Select one of the following:

  • True
  • False

Explanation

Question 16 of 19

1

A voltmeter is connected in series

Select one of the following:

  • True
  • False

Explanation

Question 17 of 19

1

How is the potential difference measured in series

Select one of the following:

  • Vt=V1+V2+V3...

  • Vt=V1=V2=V3...

Explanation

Question 18 of 19

1

How is the current measured in parallel?

Select one of the following:

  • It=I1=I2=I3...

  • It=I1+I2+I3...

Explanation

Question 19 of 19

1

What are examples of non-renewable energy sources

Select one of the following:

  • fossil fuels, coal, oil, and natural gas

  • wind energy,solar energy, geo-thermal

Explanation

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