Electric Current

Question 1

In order for electric charge to flow, there must be a difference in:

Revolt · Accepted Answer

electric potential.

Question 2

decrease✔ increaseremain unchanged

Revolt · Accepted Answer

✔ increase

Question 3

✔ ohmsvoltsamperes

Revolt · Accepted Answer

✔ ohms

Question 4

potentialconductivityinsulation✔ resistance

Revolt · Accepted Answer

resistance

Question 5

Which factors affect the flow of electric charge? Select two options.

Revolt · Accepted Answer

voltage; resistance

Question 6

Which materials are good insulators? Select three options.glasspapergoldplasticsilver

Revolt · Accepted Answer

glass; paper; plastic

Question 7

Which factors affect the resistance of a material? Select three options.lengthcurrentthicknesstemperaturevoltage

Revolt · Accepted Answer

length; thickness; temperature

Question 8

Sara read in a book that in 1800, the Italian physicist Alessandro Volta observed that two metals connected by a conducting liquid produced a continuous transfer of electrons. This phenomenon was different from the rapid static discharge observed by Benjamin Franklin.Sara’s book was describing Volta’s observation of:

Revolt · Accepted Answer

electric current.

Question 9

Which sequence lists types of materials in order from least conductive to most conductive?

Revolt · Accepted Answer

insulator [image 1] semiconductor [image 2] conductor [image 3] superconductor

Question 10

The basic unit of electric current is the:

Revolt · Accepted Answer

ampere.

Electric Current Answers

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