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WorksheetsBasic Electricity
Total questions: 20
Worksheet time: 7mins
A form of electricity where the flow of current is always in the same direction.
Voltage
AC
Power
DC
The force that opposes and reduces the flow of electrical current is organized as ___
Power
Electromagnetism
Resistance
Frequency
A part of an electric circuit which converts electrical energy into another form of energy to do work is _____
Load
Circuit
Source
Control
A part of of an electrical circuit, consists of batteries, generator or a main electrical power which supplies electricity is called ____
Control
Load
Source
Voltage
A law that states that current is directly proportional to voltage and inversely proportional to resistance in known as ____
PEC
Kirchoff's Law
Law of Resistivity
Ohm's Law
In Ohm's Law, to find the unknown voltage in the circuit, the formula to be used is :
E=IxR
I=E/R
E=I/R
R=E/I
What amount of current does a 40-watt fluorescent lamp draw from a 220 volts power source?
5.5 amperes
25.5 amperes
0.18 amperes
50.5 amperes
There are several factors involved in electrical wiring installation but the foremost consideration is ____
Cost
Labor
Safety
Function
The standard number or diameter of wires for convenience outlet layout should be ?
12
14
18
10
To comply with the requirements of the Philippine Electrical Code, the appropriate fuse rating for lighting outlet should be ____
15 A
60 A
30 A
20 A
Planning and designing of electrical wiring plan is being done in order to:
Provide efficient and effective wiring system of the building
Maintain quality workmanship
Avoid overloaded circuit
Protect the circuit from high current
Circuit breakers are used to protect household electrical circuits. What is the ampacity rating of the breaker used for convenience outlets or general purpose circuits?
20A
15A
30A
60A
An electrical component used to control electrical circuit, in two different locations is called :
Four-way switch
Push-button switch
Three-way switch
Remote controlled switch
To conserve energy, what kind of lamp should be used in lighting fixtures ?
Incandescent lamp
Compact fluorescent lamp
Mercury Lamp
Neon Lamp
The size of electrical wire recommended for installing lighting fixtures is :
No. 12 AWG
No. 18 AWG
No. 10 AWG
No. 14 AWG
What is the voltage required by an automatic pressure cooker having a resistance of 20 ohms when the current flowing in 8 amperes?
240 V
120 V
480 V
160 V
In a simple electrical connection, one of the lines of the source is connected to ____
Terminal 1 of the load
Terminal 2 of the load
Terminal 1 of the switch
Terminal 1 and 2 of the switch
A series connected dry cells will result to _____
increase in the amount of current
increase in the amount of voltage
increase total resistance
more powerful supply of electricity
What type of switch is used to control alternately three-phase line system using two sources of power?
Double Pole Single Throw Switch
Single Pole Double Throw
Triple Pole Single Throw Switch
Triple Pole Double Throw Switch
Which of the following is the best conductor of electricity?
Copper
Silver
Aluminum
Gold
