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Science 9 Test 8

Total questions: 39

Worksheet time: 21mins

Name
Class
Date
1.

What type of lamp uses a phosphor?

a)

Incandescent Lamp

b)

Fluorescent Lamp

c)

Neon Lamp

d)

Light Emitting Diode

2.

What type of lamp produces light by heating a thin wire called a filament?

a)

Incandescent Lamp

b)

Fluorescent Lamp

c)

Neon Lamp

d)

Light Emitting Diode

3.

What type of lamp produces light by passing a current through a noble gas such as neon or xenon?

a)

Incandescent Lamp

b)

Fluorescent Lamp

c)

Neon Lamp

d)

Light Emitting Diode

4.

What type of lamp produces light when a direct current is applied to a semiconductor?

a)

Incandescent Lamp

b)

Fluorescent Lamp

c)

Neon Lamp

d)

Light Emitting Diode

5.

What type of lamp was first used for common household use?

a)

Incandescent Lamp

b)

Fluorescent Lamp

c)

Neon Lamp

d)

Light Emitting Diode

6.

What early device was designed by Musschenbroek for storing electricity?

a)

Lightning Rod

b)

Thunder Jar

c)

Leyden Jar

d)

Musschenbroek Capacitor

7.

What type of generator has the drawback of requiring fluids moving at very high velocity?

a)

AC generator

b)

DC generator

c)

MHD generator

d)

Photovoltaic Cell

8.

What device is an electrical switch operated by an electromagnet?

a)

Loudspeaker

b)

Solenoid

c)

Telegraph

d)

Relay

9.

What device converts electricity into sound waves?

a)

Loudspeaker

b)

Telegraph

c)

Relay

d)

Solenoid

10.

What device converts electricity into a simple back and forth motion?

a)

Loudspeaker

b)

Telegraph

c)

Relay

d)

Solenoid

11.

What device uses electromagnets to allow for communication over long distances?

a)

Relay

b)

Telegraph

c)

Solenoid

d)

Loudspeaker

12.

Who built the first electrostatic generator?

a)

Otto von Guericke

b)

Robert van de Graaff

c)

Benjamin Franklin

d)

Pierre van Musschenbroek

13.

What is the stationary magnet inside a generator called?

a)

Armature

b)

Slip Rings

c)

Commutator

d)

Field Magnet

14.

What device converts sunlight into electricity?

a)

MHD generator

b)

AC generator

c)

DC generator

d)

Photovoltaic Cell

15.

Who demonstrated that lightning was formed from static electricity?

a)

Otto von Guericke

b)

Robert van de Graaff

c)

Benjamin Franklin

d)

Michael Faraday

16.

What is the freely rotating electromagnet in a motor called?

a)

Armature

b)

Commutator

c)

Field Magnet

d)

Slip Ring

17.

What is the name of the negative terminal of a battery?

(a)  

18.

What type of generator is a van de Graaff generator?

a)

AC

b)

DC

c)

Electrostatic

d)

MHD

19.

What type of generator uses slip rings?

a)

AC

b)

DC

c)

Electrostatic

d)

MHD

20.

Which of the following lamps is considered the most efficient?

a)

Incandescent Lamp

b)

Fluorescent Lamp

c)

Neon Lamp

d)

Light Emitting Diode

21.

What is the most important device for converting electricity into motion?

a)

Relay

b)

Solenoid

c)

Telegraph

d)

Motor

22.

What device uses two layers of foil separated by glass to store electricity?

a)

Relay

b)

Lightning Rod

c)

Leyden Jar

d)

London Jar

23.

Who discovered electromagnetic induction?

a)

Otto von Guericke

b)

Robert Van de Graaff

c)

Benjamin Franklin

d)

Michael Faraday

24.

What device increases or decreases the voltage of an alternating current?

a)

Capacitor

b)

Transformer

c)

Generator

d)

Motor

25.

What device uses electromagnetic induction to produce electricity?

a)

Electrochemical Cell

b)

Photovoltaic Cell

c)

Generator

d)

Nuclear Reactor

26.

What is the positive terminal of an electrochemical cell called?

(a)  

27.

Who invented the lightning rod?

a)

Otto von Guericke

b)

Michael Faraday

c)

Benjamin Franklin

d)

Musschenbroek

28.

Which type of electrochemical cell is not designed to be recharged?

a)

Faraday cell

b)

Voltaic cell

c)

Storage cell

d)

Capacitor cell

29.

Where does electric charge move to in an object?

a)

Inside

b)

Outside

c)

Through the middle

d)

All over

30.

What type of generator uses a commutator?

a)

Electrostatic

b)

AC

c)

DC

d)

MHD

31.

What type of lamp produces light by passing a current through mercury or argon gas?

a)

Incandescent Lamp

b)

Fluorescent Lamp

c)

Neon Lamp

d)

Light Emitting Diode

32.

What method of printing uses static electricity to reproduce images on paper?

(a)  

33.

Who invented the telegraph?

a)

Samuel Morse

b)

Michael Faraday

c)

Benjamin Franklin

d)

Otto von Guericke

34.

What phenomenon is also known as corona discharge?

a)

Static electricity

b)

St. Elmo's Fire

c)

Plasma Ejection

d)

St. Bartholomew's Fire

e)
35.

What device converts sunlight into electricity?

a)

AC generator

b)

MHD generator

c)

Nuclear reactor

d)

Photovoltaic cell

36.

What device increases or decreases the voltage of an alternating current?

a)

Relay

b)

Solenoid

c)

Transformer

d)

Motor

37.

What is the ability to convert mechanical motion into electrical energy?

a)

Electromagnetic induction

b)

Flux Induction

c)

Mechanokinetic Induction

d)

Magnetohydrodynamic induction

38.

What device is used to protect buildings from lightning?

a)

Grounding Rod

b)

Lightning Rod

c)

Static Rod

d)

Leyden Rod

39.

What type of lamp involves passing an electric current through a tube filled with mercury or argon gas?

a)

Incandescent Lamp

b)

Fluorescent Lamp

c)

Neon Lamp

d)

Light Emitting Diode