Electrical Current and Charge

Electrical Current and Charge

12th Grade

15 Qs

quiz-placeholder

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Electrical Current and Charge

Electrical Current and Charge

Assessment

Quiz

Physics

12th Grade

Practice Problem

Hard

NGSS
HS-PS2-5, HS-PS3-5, HS-PS2-4

Standards-aligned

Created by

Charles Martinez

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the unit of electric current?

A) J

B) C

C) A

D) V

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What does the 'n' represent in the equation I = nAve?

A) n = free electron density

B) n = number of free electrons

C) n = number of free electrons per square metre

D) n = number of free electrons per cubic metre

Tags

NGSS.HS-PS2-5

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the equation relating current, I, charge, Q and time, t?

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of the ampere?

A) One coulomb of electrical charge

B) One coulomb of electrical charge moving past a specific point in one second

C) One joule of electrical potential converted in some other form of energy per coulomb of charge

D) One ohm.metre

Tags

NGSS.HS-PS3-5

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the formula for calculating electrical resistance?

A) R = I / V

B) R = V / I

C) R = I * V

D) R = I + V

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the unit of electrical resistance?

A) J

B) C

C) A

D) Ω

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of electric current?

A) The rate of flow of electric charge.

B) The flow of electric charge.

C) This is the rate of flow of electric voltage.

D) The current in a metal wire at constant temperature is

proportional to the pd across it.

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