Chapter 17 Test - Craig Fisher | Library

MULTIPLE CHOICE
-Choose the correct answer by clicking on your answer choice. Only one answer is correct. (2 pts. each)

2

What are the tiny particles that make up matter?

2

What is the region around a charged object where an electric force is present?

2

Which part of the atom has a positive charge?

2

What is the loss of static electricity as charges move off an object?

2

What does the size of a current depend upon?

2

What is the part of the cell where charges enter or exit?

2

As resistance goes up, what happens to the current?

2

What is the voltage if the current is 4 A and the resistance is 10 Ohms?

2

How much electrical energy does a 75 W light bulb use if it is on for 4 hours?

2

Circuits need three basic parts, an energy source, wires, and what else?

2

How many pathways are there for moving charges in a series circuit?

2

Why are protons and electrons attracted to each other?

2

In the formula P = V x I, what does the I stand for?

2

The size of an electric force depends upon which two things?

2

What generates electrical energy from chemical energy?

2

A video monitor draws 1.5 A at a voltage of 150 V. What is the power rating of the monitor?

2

What is a switch that automatically opens if the current is too high?

2

Which of these would lower the electrical resistance of a wire?

2

What happens if you rub a glass rod with a piece of silk and the rod becomes positively charged?

2

When you flip the switch on a flashlight, what is immediately set up?

2

What is the rate at which charges pass a given point?

2

Who was George Ohm?

2

Light bulbs may be labeled "100 W" or "40 W". This describes

2

Good conductors have low

2

Which of the following is an insulator?

 COMPLETION
-Complete the following questions by selecting the correct answer from the word bank. Misspelled words will be marked as incorrect. Some answers may be used more than once, others may not be used at all. (2 pts. each)

Word Bank

load      loop     temperature     voltage     more     less     insulator      conductor     electric current          electrical    electrical insulators       static electricity     series circuit     parallel circuit     electric power          thermocouple                            
   law of electric charges     energy source     production     photocell     electrode     electrolyte     resistance

2

A ____________ is a device in a circuit that uses electrical energy to do work.

Word Bank

load      loop     temperature     voltage     more     less     insulator      conductor     electric current          electrical    electrical insulators       static electricity     series circuit     parallel circuit     electric power          thermocouple                            
   law of electric charges     energy source     production     photocell     electrode     electrolyte     resistance

2

Metal cords are often covered in plastic and have metal prongs. This is because metal is a good conductor and plastic is a good _______________.

Word Bank

load      loop     temperature     voltage     more     less     insulator      conductor     electric current          electrical    electrical insulators       static electricity     series circuit     parallel circuit     electric power          thermocouple                            
   law of electric charges     energy source     production     photocell     electrode     electrolyte     resistance

2

Another word for potential difference is __________________.

Word Bank

load      loop     temperature     voltage     more     less     insulator      conductor     electric current          electrical    electrical insulators       static electricity     series circuit     parallel circuit     electric power          thermocouple                            
   law of electric charges     energy source     production     photocell     electrode     electrolyte     resistance

2

Thin wires have ________________ resistance than thick ones.

Word Bank

load      loop     temperature     voltage     more     less     insulator      conductor     electric current          electrical    electrical insulators       static electricity     series circuit     parallel circuit     electric power          thermocouple                            
   law of electric charges     energy source     production     photocell     electrode     electrolyte     resistance

2

An object's resistance depends upon the object's material, thickness, length and ___________________.

Word Bank

load      loop     temperature     voltage     more     less     insulator      conductor     electric current          electrical    electrical insulators       static electricity     series circuit     parallel circuit     electric power          thermocouple                            
   law of electric charges     energy source     production     photocell     electrode     electrolyte     resistance

2

Electric circuits always form a ________________.

Word Bank

load      loop     temperature     voltage     more     less     insulator      conductor     electric current          electrical    electrical insulators       static electricity     series circuit     parallel circuit     electric power          thermocouple                            
   law of electric charges     energy source     production     photocell     electrode     electrolyte     resistance

2

Plastic, glass, wood and air are examples of good ________________.

Word Bank

load      loop     temperature     voltage     more     less     insulator      conductor     electric current          electrical    electrical insulators       static electricity     series circuit     parallel circuit     electric power          thermocouple                            
   law of electric charges     energy source     production     photocell     electrode     electrolyte     resistance

2

Electrons moving in a wire make up _____________________ and provide energy to the things that you use each day.

Word Bank

load      loop     temperature     voltage     more     less     insulator      conductor     electric current          electrical    electrical insulators       static electricity     series circuit     parallel circuit     electric power          thermocouple                            
   law of electric charges     energy source     production     photocell     electrode     electrolyte     resistance

2

When the voltage is in volts and the current is in amperes, ______________ is expressed in watts.

Word Bank

load      loop     temperature     voltage     more     less     insulator      conductor     electric current          electrical    electrical insulators       static electricity     series circuit     parallel circuit     electric power          thermocouple                            
   law of electric charges     energy source     production     photocell     electrode     electrolyte     resistance

2

When your clothes come out of the dryer stuck together, they are full of ________________.

Word Bank

load      loop     temperature     voltage     more     less     insulator      conductor     electric current          electrical    electrical insulators       static electricity     series circuit     parallel circuit     electric power          thermocouple                            
   law of electric charges     energy source     production     photocell     electrode     electrolyte     resistance

2

The opposition to the flow of electric charge is __________________.

Word Bank

load      loop     temperature     voltage     more     less     insulator      conductor     electric current          electrical    electrical insulators       static electricity     series circuit     parallel circuit     electric power          thermocouple                            
   law of electric charges     energy source     production     photocell     electrode     electrolyte     resistance

2

The part of the cell through which charges enter and exit is the ________________.

Word Bank

load      loop     temperature     voltage     more     less     insulator      conductor     electric current          electrical    electrical insulators       static electricity     series circuit     parallel circuit     electric power          thermocouple                            
   law of electric charges     energy source     production     photocell     electrode     electrolyte     resistance

2

The law that states that like charges repel and opposite charges attract is called the _____________________.

Word Bank

load      loop     temperature     voltage     more     less     insulator      conductor     electric current          electrical    electrical insulators       static electricity     series circuit     parallel circuit     electric power          thermocouple                            
   law of electric charges     energy source     production     photocell     electrode     electrolyte     resistance

2

A device that converts thermal energy into electrical energy is called a(n) ___________________.

Word Bank

load      loop     temperature     voltage     more     less     insulator      conductor     electric current          electrical    electrical insulators       static electricity     series circuit     parallel circuit     electric power          thermocouple                            
   law of electric charges     energy source     production     photocell     electrode     electrolyte     resistance

2

The three different parts of a circuit are wires, load and a(n) ______________.

MATCHING
-Complete the following matching questions by clicking on the correct answer. Only one answer is correct. (2 pts. each)

2

The higher this is, the lower the current.

2

This device uses the temperature difference in wires to convert thermal energy into electrical energy.

2

As this increases, so does the current.

2

This method of charging happens when you rub a balloon on your hair.

2

This is a material, like metal, that allows charges to move easily.

2

This is the region around a charged object where a force is exerted on other objects.

2

Clothes often stick together because of this.

2

This is expressed in amps.

2

This is the force between two charged objects.

2

Lightning is an example of this.

 Do NOT forget to turn in this assignment on Google Classroom after you have submitted it here! No credit will be awarded for unsubmitted assignments.