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Worksheets

Mod 2 review

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

The unit for electric field is

a)

Coulombs

b)

N/C

c)

Meters

d)

Volts

2.

A joule divided by a coulomb is a

a)

Volt

b)

Newton

c)

Meter

d)

Coulomb squared

3.

Coulomb´s law is useful for

a)

Calculating attraction or repulsion force between charges

b)

Calculating only attraction forces

c)

Calculating only repulsion forces

d)

Calculating electric flux

4.

To calculate the electric potential energy between two charges one of 6 micro Coulobs and other 8 nano coulombs, that are 8 cm away, the best formula is....

a)

U= K (Q q) / r

b)

U=q0ErU=q_0Er  

c)

V= K Q / r

d)

U=q0VU=q_0V  

5.

Linear charge density λ\lambda  (lambda) is the division of charge by length, and it is useful to calculate

a)

Electric charge

b)

Attraction or repulsion force

c)

Electric field in wires and cylinders using Gauss law

d)

Voltage

6.

The unit to measure charge is

a)

Volts

b)

Newtons per coulomb

c)

Coulomb

d)

Joules

7.

Electric potential (also known as potential difference or voltage) is measured in

a)

Coulombs

b)

Newtons per coulomb

c)

Joules / Coulomb

d)

Joules

8.

Electric potential energy unit is ..

a)

Coulombs

b)

Joules

c)

Volts

d)

N/C

9.

Surface charge density σ\sigma  (sigma) is calculated dividing the charge by the area, and it is useful to get ...

a)

potential energy

b)

Electric field in plates using Gauss Law

c)

Forces

d)

Voltage

10.

Electric field lines passing through an area is ....

a)

Electric charge

b)

Electric potential energy

c)

Electric Flux

d)

Electric potential

11.

Electric flux units are...

a)

N/C

b)

Nm2C\frac{Nm^2}{C}  

c)

C

d)

J

12.

What is E in this formula V=Ed?

a)

Electric flux

b)

Electric potential energy

c)

Electric field

d)

Charge