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Quiz Teknik Tenaga Listrik - TMPP

Total questions: 89

Worksheet time: 51mins

Name
Class
Date
1.

The formula used to determine the number of electrons in an atomic shell is...

a)

n2

b)

2n

c)

2n2

d)

2n3

2.

Copper has an atomic number of 29 with the atomic arrangement per shell...

a)

2-8-16-3

b)

2-8-18-1

c)

2-7-18-2

d)

2-9-17-1

3.

The number of valence electrons in a copper atom is...

a)

4

b)

3

c)

2

d)

1

4.

The number of valence electrons in silicon and germanium is...

a)

4

b)

18

c)

8

d)

2

5.

The subatomic particles that make up an atom are...

a)

Electrons, protons, and nucleus

b)

Element, protons, and neutrons.

c)

Electrons, protons, and neutrons.

d)

Electrons, protons, and insulation

6.

What is the maximum number of electrons in the M shell of an atom?

a)

18

b)

16

c)

8

d)

6

7.

Valence electrons are...

a)

the fourth orbit

b)

the orbit closest to the nucleus

c)

the outermost orbit

d)

various orbits around the nucleus

8.

Which of the following is a non-metal conductor material...

a)

Aluminum

b)

Copper

c)

Graphite

d)

Mercury

9.

A semiconductor will have...

a)

Four electrons in the outer shell

b)

Two electrons in the outer shell

c)

Six electrons in the outer shell

d)

Eight electrons in the outer shell

10.

Which category of matter has very high resistance to electric current?

a)

Conductors

b)

Semiconductors

c)

Insulators

d)

Valence electrons

11.

An element can be considered a conductor if it has...

a)

A small number of electrons in its outer orbit

b)

A large number of electrons in its outer orbit

c)

A large number of electrons

d)

A small number of neutrons

12.

Electrons flow in a conductor from...

a)

Negative pole to positive pole

b)

Positive pole to negative pole

c)

Both A and B are correct

d)

Both A and B are incorrect

13.

Ohm's Law states...

a)

Current is proportional to resistance

b)

Current is proportional to voltage

c)

Resistance is inversely proportional to voltage

d)

Current is inversely proportional to voltage

14.

A thermocouple is an application of voltage generation from the process of...

a)

Light

b)

Heat

c)

Pressure

d)

Friction

15.

Which of the following is not a type of energy source?

a)

Battery

b)

Generator

c)

Solar Cell

d)

Potentiometer

16.

A resistance in a series circuit applies except...

a)

I tot = I1 = I2 = I3 =.. In

b)

R eq = R1 + R2 + R3 +.. Rn

c)

I tot = I1 + I2 + I3 +.. In

d)

V tot = V1 + V2+ V3 + .. Vn

17.

Resistance in a parallel circuit applies...

a)

I tot = I1 = I2 = I3 =.. In

b)

R eq = R1 + R2 + R3 +… Rn

c)

V tot = V1 = V2 = V3 = …Vn

d)

V tot = V1 + V2 + V3 + …Vn

18.

When the voltage across a resistance as double, the current will...

a)

Half

b)

Double

c)

Triple

d)

Unchanged

19.

A potential difference of 50 volts produces a current of 10 amperes through a resistance of...

a)

500 ohms

b)

5 ohms

c)

5000 ohms

d)

50 ohms

20.

A battery is an application of voltage generation from the process of...

a)

Chemical Reaction

b)

Heat

c)

Light

d)

Magnetism

21.

Calculate the current and voltage at R1...

a)

2 A and 24 V

b)

2 A and 36 V

c)

3 A and 24 V

d)

3 A and 36 V

22.

Calculate the current and voltage at R2...

a)

1.2 A and 24 V

b)

1.2 A and 36 V

c)

1.8 A and 24 V

d)

1.8 A and 36 V

23.

What is the resistance value of a resistor in a 4-band system above...

a)

100 Ohm ± 5 %

b)

1K Ohm ± 10 %

c)

10K Ohm ± 5 %

d)

100K Ohm ± 10 %

24.

The gold band indicates...

a)

First digit

b)

Second digit

c)

Multiplier

d)

Tolerances

25.

What is the resistance value of the 5-band resistor system above...

a)

51200 Ohm ± 5 %

b)

5130 K Ohm ± 10 %

c)

61300 K Ohm ± 5 %

d)

613000 Ohm ± 10 %

26.

The 6th band on a resistor indicates...

a)

Temperature Coefficient

b)

Tolerance

c)

Multiplier

d)

Resistance Value

27.

A 48K ohm resistor with a tolerance of 10% has the following color code...

a)

Yellow, grey, orange, silver

b)

Yellow, violet, orange, silver

c)

Orange, violet, red, gold

d)

Red, orange, yellow, gold

28.

The following is a list of six known methods to generate voltage, except...

a)

Pressure

b)

Light

c)

Friction

d)

Diode

29.

The image describes...

a)

Solar Cell

b)

Piezoelectric

c)

Thermocouple

d)

Photoelectric

30.

The following is a list of 3 basic electrical circuits...

a)

Load, source, wire

b)

Open loop, Source, load

c)

Source, Load, battery

d)

Load, Switch, source

31.

The picture on the below is schematic symbol for…

a)

Potentiometer

b)

Avometer

c)

Voltmeter

d)

Amperemeter

32.

Calculate Rt...

a)

20 Ohm

b)

30 Ohm

c)

15 Ohm

d)

10 Ohm

33.

The picture on the below is schematic symbol for...

a)

Fixed Resistor

b)

Pontentiometer

c)

Resistor

d)

Rheostat

34.

Convert 0,001 volt to milivolt?

a)

1 V

b)

10 V

c)

1 mV

d)

10 mV

35.

What is the function of a cell in a battery?

a)

To transform electrical energy into chemical energy

b)

To combine cells to provide voltage, current, and power

c)

To convert chemical energy into electrical energy

d)

To store direct-current electrical energy

36.

Which of the following is an example of a load in an electric circuit?

a)

A power supply

b)

A storage battery

c)

An electric motor

d)

A switch

37.

A 36 V source is required to furnish 48 watt to a parallel circuit consisting of four resistors of equal value. What is the voltage drop across each resistor?

a)

12 volts

b)

24 volts

c)

36 volts

d)

20 volts

38.

The correct way to connect a test voltmeter in a circuit is…

a)

In series with a unit

b)

Between the source voltage and the load

c)

In parallel with a unit

d)

A and c are correct

39.

Materials including conductors except…

a)

Gold

b)

Copper

c)

Silicon

d)

Silver

40.

Voltage in Parallel circuit...

a)

Different

b)

Zero

c)

Same with voltage source

d)

More than voltage source

41.

A condition in material where there are more electrons than protons, so the material is charged…

a)

Nature changed

b)

Positive Changed

c)

Negative Changed

d)

Neutral Changed

42.

Component that produces an output voltage due to incident light is called a…..

a)

Liquid crystal

b)

Solar cell

c)

Light emitting diode

d)

Photodetector

43.

Batteries is a voltage generator application of the process…

a)

Chemical Action

b)

Heat

c)

Light

d)

Magnetism

44.

Generator is a voltage generator application of the process…

a)

Magnetism

b)

Heat

c)

Light

d)

Chemical Action

45.

What is the reading on the AVOMeter below when the selector is set to DCV 10?

a)

245 V

b)

49 V

c)

9 V

d)

10 V

46.

What is the reading on the AVOMeter below when the selector is set to x100Ω?

a)

17500 Ω

b)

11500 Ω

c)

3500 Ω

d)

700 Ω

47.

What is the reading on the multimeter below when the selector is set to DCA 25m?

a)

85 V

b)

8,5 mV

c)

85 A

d)

8,5 mA

48.

Energi yang dibutuhkan untuk membawa muatan sebesar satu coulomb dari satu titik ke titik lainnya disebut…

a)

Arus listrik

b)

Tegangan listrik

c)

Hambatan listrik

d)

Daya listrik

49.

Usaha yang dilakukan untuk memindahkan muatan sebesar satu coulomb dalam medan listrik diukur dalam satuan..

a)

Volt

b)

Joule

c)

Ampere

d)

Ohm

50.

Jika diperlukan usaha sebesar 100 joule untuk memindahkan muatan sebesar 25 coulomb, berapa besar tegangan yang ditimbulkan?

a)

2 V

b)

4 V

c)

6 V

d)

8 V

51.

Jika tegangan yang dihasilkan sebesar 12 volt dan muatan yang dipindahkan adalah 5 coulomb, berapa besar usaha yang dilakukan?

a)

40 joule

b)

50 joule

c)

60 joule

d)

70 joule

52.

Menurut hukum faraday, Energi mekanik dapat diubah menjadi energi listrik melalui proses induksi elektromagnetik. GGL yang dihasilkan pada penghantar berbanding lurus dengan..

a)

Kuat arus yang mengalir

b)

Laju perubahan fluks magnet

c)

Besar hambatan penghantar

d)

Panjang loop penghantar

53.

Ketika sebuah magnet didekatkan pada sebuah loop penghantar, arus induksi yang dihasilkan akan...

a)

Mengalir searah dengan medan magnet eksternal

b)

Mengalir berlawanan dengan perubahan medan magnet yang dihasilkan

c)

Tidak menghasilkan medan magnet

d)

Meningkatkan kekuatan medan magnet eksternal

54.

Electronic components that require electric current to function are called..

a)

Passive components

b)

Active components

c)

Neutral components

d)

Mechanical components

55.

Which of the following is an example of a passive component?

a)

Transistor

b)

Diode

c)

Resistor

d)

IC (Integrated Circuit)

56.

Apa fungsi utama dari resistor dalam suatu rangkaian elektronik?

a)

Mengalirkan arus listrik

b)

Menghambat atau membatasi aliran arus listrik

c)

Menyimpan energi dalam bentuk medan magnet

d)

Mengubah arus listrik menjadi cahaya

57.

Ohm's Law states that the voltage across a resistor is directly proportional to..

a)

Time

b)

Electric current and resistance

c)

Capacitors and inductors

d)

Magnetic field

58.

A resistor whose resistance value can be changed is called..

a)

Fixed resistor

b)

Thermistor

c)

Potentiometer

d)

Varistor

59.

The type of resistor whose resistance changes with temperature is called:

a)

Potentiometer

b)

Thermistor

c)

Varistor

d)

Fixed resistor

60.

Which of the following affects the resistance value of a resistor?

a)

Length and diameter of the wire

b)

Type of conductor material

c)

Temperature

d)

All answers are correct

61.

Electric current is generated from the flow of..

a)

Electrons from negative to positive terminal

b)

Protons from positive to negative terminal

c)

Ions in the conductor

d)

Electrons from positive to negative terminal

62.

Kirchhoff's Law 1 (KCL) is also known as..

a)

Loop voltage law

b)

Junction current law

c)

Power law

d)

Magnetic field balance law

63.

In a branching point, if the incoming current is 5 A and the outgoing current is 3 A, then:

a)

There is 8 A of current entering that point

b)

There is 2 A of current leaving that point

c)

No other current is leaving

d)

It is impossible to have less incoming current than outgoing current

64.

The movement of free electrons in a conductor connected to the positive terminal of a voltage source causes:

a)

Electric voltage

b)

Electric current

c)

Electric energy

d)

Electrical resistance

65.

Jika 1 coulomb muatan setara dengan 6.28×1018 elektron, maka jumlah elektron yang terlibat dalam arus 0,5 Ampere selama 1 detik adalah…

a)

6.28 x 10^18

b)

1.6 x 10^18

c)

3.14 x 10^18

d)

2.0 x 10^18

66.

The voltage drop across each resistor in a series circuit is directly proportional to..

a)

The current flowing through the circuit

b)

The capacity of the resistor

c)

The resistance of that resistor

d)

Environmental temperature

67.

The total voltage in a series circuit is..

a)

Equal to the voltage across one of the resistors

b)

Equal to the sum of all voltage drops across each resistor

c)

The product of the voltage of each resistor

d)

Greater than the source voltage

68.

If a closed circuit has a voltage source of 12 volts and a total resistance of 4 ohms, then the amount of current flowing in that circuit is…

a)

3 A

b)

12 A

c)

4 A

d)

6 A

69.

When electric current flows through a resistor, electrical energy is converted into..

a)

Chemical energy

b)

Magnetic energy

c)

Heat energy

d)

Mechanical energy

70.

The total current in a parallel circuit is..

a)

Equal to the current in one of the branches

b)

The product of the currents in each branch

c)

The sum of the currents flowing in each branch

d)

Cannot be determined

71.

What is the main function of an electric generator?

a)

Convert electrical energy into chemical energy

b)

Convert mechanical energy into electrical energy

c)

Store electrical energy

d)

Convert heat energy into mechanical energy

72.

The main component of a generator that rotates to produce electricity is called…

a)

Rotor

b)

Stator

c)

Commutator

d)

Magnetic field

73.

The working principle of an electric generator is based on the law…

a)

Coulomb's Law

b)

Faraday's Law

c)

Ohm's Law

d)

Pascal's Law

74.

The electric current produced by an AC generator is…

a)

Direct current (DC)

b)

Alternating current (AC)

c)

Static current

d)

No current is produced

75.

What affects the magnitude of the output voltage in a generator?

a)

Rotor speed

b)

Number of wire turns on the stator

c)

Strength of the magnetic field

d)

All answers are correct

76.

Induction motors operate based on the principle of…

a)

Electromagnetic induction

b)

Transformation of thermal energy

c)

Electrostatic induction

d)

Gravitational influence

77.

In an induction motor, the part that does not rotate and has wire windings is called…

a)

Rotor

b)

Commutator

c)

Stator

d)

Armature

78.

Motor induksi satu fasa biasanya digunakan pada……

a)

Peralatan rumah tangga

b)

Pembangkit listrik

c)

Jaringan listrik tegangan tinggi

d)

Mesin industri berat

79.

In a synchronous generator, the rotor speed…

a)

Differs from the frequency of the magnetic field

b)

Is always synchronized with the frequency of the magnetic field

c)

Is slower than the frequency of the magnetic field

d)

Is faster than the frequency of the magnetic field

80.

What happens if the rotor speed of a synchronous generator does not match the frequency of the magnetic field?

a)

Voltage will drop drastically

b)

No electricity will be produced

c)

The generator will operate as a motor

d)

Current will flow in the opposite direction

81.

Synchronous generators are usually used in large power plants because…

a)

They can produce high voltage and direct current

b)

They can produce stable power

c)

They have irregular rotor speeds

d)

They can produce electricity at low voltage

82.

Three-phase AC generators produce…

a)

One AC voltage

b)

Two AC voltages

c)

Three AC voltages with a phase angle of 120°

d)

Four AC voltages with a phase angle of 90°

83.

What happens if the rotor speed of a generator decreases?

a)

Output voltage increases

b)

Output voltage decreases

c)

Output frequency increases

d)

Output current remains constant

84.

What causes the rotor to rotate in an induction motor?

a)

Interaction of the magnetic field produced by the stator

b)

Electric current directly supplied to the rotor

c)

DC current flowing through the rotor

d)

Use of a commutator to regulate current flow

85.

Slip in an induction motor is the difference between…

a)

Rotor speed and the speed of the rotating magnetic field

b)

Stator voltage and rotor voltage

c)

Stator current and rotor current

d)

Supplied power and used power

86.

Synchronous generators can maintain a constant output frequency because…

a)

The generated current always flows in the opposite direction

b)

Rotor speed remains synchronized with the stator frequency

c)

Output voltage changes according to the load

d)

The magnetic field does not change

87.

The main function of the commutator in an electric generator is to…

a)

Convert AC to DC

b)

Regulate rotor speed

c)

Convert mechanical energy to electrical energy

d)

Convert DC to AC

88.

The main use of DC generators is…

a)

Household power generation

b)

Electric vehicles and industrial applications

c)

Hydroelectric power generation

d)

Battery charging in wind power plants

89.

In a three-phase induction motor, the current flowing through the stator will produce…

a)

A rotating magnetic field

b)

A stationary magnetic field

c)

DC current in the rotor

d)

Increased temperature in the stator

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