EPAS

Question 1

Who introduced the first electric battery?

Answer 1

COUNT ALESSANDRO VOLTA

Question 2

Who invented the Galvanometer, and had the unit of current named after him?

Answer 2

ANDRE MARIE AMPERE

Question 3

Who introduced the concept of Ohm’s Law?

Answer 3

GEORG SIMON OHM

Question 4

Who introduced the principle of generator, and had the unit of capacitance named after him?

Answer 4

MICHAEL FARADAY

Question 5

What are the sources of electricity?

Answer 5

PHOTO VOLTAIC CELL
BATTERY (PRIMARY AND SECONDARY)
GENERATOR

Question 6

What is the function of a PRIMARY BATTERY?

Answer 6

It is DISPOSABLE.

Question 7

What is the function of a SECONDARY BATTERY?

Answer 7

It is RECHARGABLE.

Question 8

What is the function of a GENERATOR?

Answer 8

It converts mechanical energy to electrical energy.

Question 9

What are the conductors of electricity?

Answer 9

COPPER (MOST COMMONLY USED)
ALUMINUM (SECOND BEST)
SILVER (BEST FOR ELECTRICITY)

Question 10

Types of generating power plant

Answer 10

HYDROELECTRIC, SOLAR, GEOTHERMAL, WIND, NUCLEAR, FOSSIL FUEL

Question 11

Uses strong flow of water.

Answer 11

HYDROELECTRIC POWER PLANT

Question 12

Uses heat coming from the sun and the best application is in low lying areas.

Answer 12

SOLAR POWER PLANT

Question 13

Uses heat coming from the Earth’s surface. Usually exists near an active volcano.

(HINT: Lesson natin as Science)

Answer 13

GEOTHERMAL POWER PLANT

Question 14

Uses strong wind and large turbines usually applicable in areas with strong winds.

Answer 14

WIND POWER PLANT

Question 15

Uses radiation to generate electricity.

Answer 15

NUCLEAR POWER PLANT

Question 16

Uses fossil fuels such as coal, gas, and diesel.

Answer 16

FOSSIL FUEL POWER PLANT

Question 17

Limit the flow of current ( The condition of the resistor is determined by testing using a multi tester and using resistor color coding)

Answer 17

RESISTOR

Question 18

WHAT TYPE OF RESISTOR IS THIS?

The value is fixed.

Answer 18

FIXED RESISTOR

Question 19

WHAT TYPE OF RESISTOR IS THIS?

The value can be varied.

Answer 19

VARIABLE RESISTOR

Question 20

Stores electrical energy

Answer 20

CAPACITOR

Question 21

WHAT TYPE OF CAPACITOR IS THIS?

Fixed value with polarity

Answer 21

FIXED POLARIZED CAPACITOR

Question 22

WHAT TYPE OF CAPACITOR IS THIS?

Fixed value without polarity

Answer 22

FIXED NON-POLARIZED

Question 23

WHAT TYPE OF CAPACITOR IS THIS?

The value can be changed

Answer 23

VARIABLE CAPACITY/CAPACITOR

Question 24

The component that sends signal to the circuit on how it will function

Answer 24

TRANSISTOR

Question 25

Allows electric current to pass in one direction

Answer 25

DIODE

Question 26

Indicates if the circuit is turned on or off

Answer 26

LED

Question 27

Functions as a resistor, capacitor and a transistor

Answer 27

IC

Question 28

Converts electrical signal to sound waves

Answer 28

MICROPHONE

Question 29

RESISTOR COLOR CODING BLACK

Answer 29

FIRST BAND: 0 SECOND BAND: 0 THIRD BAND: 0 MULTIPLIER: 1 OHMS

Question 30

RESISTOR COLOR CODING BROWN

Answer 30

FIRST BAND: 1 SECOND BAND: 1 THIRD BAND: 1 MULTIPLIER: 10 OHMS TOLERANCE +/- 1%

Question 31

RESISTOR COLOR CODING RED

Answer 31

FIRST BAND: 2 SECOND BAND: 2 THIRD BAND: 2 MULTIPLIER: 100 OHMS TOLERANCE: +/- 2%

Question 32

RESISTOR COLOR CODING ORANGE

Answer 32

FIRST BAND: 3 SECOND BAND: 3 THIRD BAND: 3 MULTIPLIER: 1K OHMS

Question 33

RESISTOR COLOR CODING YELLOW

Answer 33

FIRST BAND: 4 SECOND BAND: 4 THIRD BAND: 4 MULTIPLIER: 10K OHMS

Question 34

RESISTOR COLOR CODING GREEN

Answer 34

FIRST BAND: 5 SECOND BAND: 5 THIRD BAND: 5 MULTIPLIER: 100K OHMS TOLERANCE: +/- 0.5%

Question 35

RESISTOR COLOR CODING BLUE

Answer 35

FIRST BAND: 6 SECOND BAND: 6 THIRD BAND: 6 MULTIPLIER: 1M OHMS TOLERANCE:+/- 0.25%

Question 36

RESISTOR COLOR CODING VIOLET

Answer 36

FIRST BAND: 7 SECOND BAND: 7 THIRD BAND: 7 MULTIPLIER: 10M OHMS TOLERANCE: +/- 0.10%

Question 37

RESISTOR COLOR CODING GREY

Answer 37

FIRST BAND: 8 SECOND BAND: 8 THIRD BAND: 8 MULTIPLIER: 100M OHMS TOLERANCE: +/- 0.05%

Question 38

RESISTOR COLOR CODING WHITE

Answer 38

FIRST BAND: 9 SECOND BAND: 9 THIRD BAND: 9 MULTIPLIER: 1G OHMS

Question 39

RESISTOR COLOR CODING GOLD

Answer 39

MULTIPLIER: 0.1 OHMS TOLERANCE: +/- 5%

Question 40

RESISTOR COLOR CODING SILVER

Answer 40

MULTIPLIER: 0.01 OHMS TOLERANCE: +/- 10%

Question 41

RED, ORANGE, RED, GOLD

Answer 41

2300 OHMS +/- 5%

Question 42

BLUE, BROWN, BLACK, GOLD

Answer 42

61 OHMS +/- 5%

Question 43

4,500 OHMS +/- 5%

Answer 43

YELLOW, GREEN, RED, GOLD

Question 44

770000 OHMS, +/- 5%

Answer 44

VIOLET, VIOLET, YELLOW, GOLD

Question 45

MINIMUM AND MAXIMUM VALUE COMPARISON WHAT DO YOU DO IF THE LAST COLOR IS GOLD?

Answer 45

1. Get the 5% of the actual value of the resistor. 2. Add the computed 5% of the actual value to get the maximum, 3. Subtract the computed 5% of the actual value to get the minimum.

Question 46

MINIMUM AND MAXIMUM VALUE COMPARISON WHAT DO YOU DO IF THE LAST COLOR IS SILVER?

Answer 46

1. Get the 10% of the actual value of the resistor. 2. Add the computed 10% of the actual value to get the maximum, 3. Subtract the computed 10% of the actual value to get the minimum.

Question 47

SOLVE. 2300 OHMS +/- 5%

Answer 47

MIN = 2185 OHMS MAX = 2415 OHMS

Question 48

CAPACITOR DECODING STEPS

Answer 48

1. If the value written on the body of the capacitor is 204, copy the first 2 digits then the last digit represents the number of zeros then move six decimal places the left. ( Always)

Question 49

SOLVE. 203

Answer 49

20000 THE VALUE IS 0.2

Question 50

SOLVE. 405

Answer 50

4000000 THE VALUE IS 4

Question 51

FORMULA FOR SERIES CIRCUIT

Answer 51

RT = R1+R2+R3 … IT = I1=I2=I3 … VT = V1+V2+v3 …

Question 52

FORMULA FOR OHM'S LAW

Answer 52

V = IR I = V/R R = V/I