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FINALS EXAMINATION IN CIRCUITS 1 PART 1 (SET A)

Total questions: 80

Worksheet time: 40mins

Name
Class
Date
1.

The charge of an electron is equal to what value?

a)

-1.6 x 10^-19 Coulombs

b)

+1.6 x 10^-19 Coulombs

c)

-1.6 x 10^-16 Coulombs

d)

-1.6 x 10^-21 Coulombs

2.

The mass of a proton in terms of atomic mass unit “u” is

a)

1 u

b)

0.5 u

c)

2 u

d)

0.1 u

3.

An object has charge of -2.4 micro-C. It means the object ______ electrons.

a)

gained

b)

lost

c)

shared

d)

neutralized

4.

4. The first capacitor is known as the ______.

a)

Leyden jar

b)

Faraday cup

c)

Tesla coil

d)

Volta cell

5.

What is the value of absolute permittivity of vacuum?

a)

8.854 x 10^{-12} F/m

b)

1.602 x 10^{-19} C

c)

9.81 m/s^2

d)

3.00 x 10^8 m/s

6.

He classified material based on their electrical properties as conductors and insulators. Who is he?

a)

Benjamin Franklin

b)

Thomas Edison

c)

Michael Faraday

d)

James Clerk Maxwell

7.

He conducted experimentation on the Torpedo fish to determine how it creates low voltage but high charge.

a)

John Walsh

b)

Luigi Galvani

c)

Benjamin Franklin

d)

Alessandro Volta

8.

8. The first battery is known as ______.

a)

Voltaic pile

b)

Dry cell

c)

Lead-acid cell

d)

Nickel-cadmium cell

9.

He developed the first capacitor. Who is he?

a)

Pieter van Musschenbroek

b)

Alessandro Volta

c)

Michael Faraday

d)

James Clerk Maxwell

10.

A condition in a material to lose all its opposition to the flow of current.

a)

Superconductivity

b)

Insulation

c)

Semiconductivity

d)

Resistance

11.

As a general rule of thumb for conductors, as temperature is increased, the resistance of the conductor ______.

a)

increases

b)

decreases

c)

remains the same

d)

becomes zero

12.

What is the value of absolute permeability of free space?

a)

4πx10−7H/m4\pi x 10^{-7} H/m

b)

1.6 x 10^{-19} H/m

c)

9.8 x 10^{-7} H/m

d)

3 3×1083 \times 10^8 H/m

13.

A fault in an electrical circuit where a low resistance path is created between two nodes.

a)

Short circuit

b)

Open circuit

c)

Overload

d)

Ground fault

14.

A fault in an electrical circuit where a path of very high resistance is created between two nodes.

a)

Open circuit

b)

Short circuit

c)

Ground fault

d)

Overload

15.

A voltmeter when connected across/through an element, offers ______ resistance.

a)

high

b)

low

c)

zero

d)

medium

16.

An ammeter must be used directly on an energized circuit.

a)

True

b)

False

17.

When a multimeter is set as an ammeter, it offers ______ resistance.

a)

low

b)

high

c)

zero

d)

infinite

18.

An ammeter uses the internal battery of an analog multimeter.

a)

True

b)

False

19.

10 to power of 18 has what Greek prefix?

a)

exa

b)

giga

c)

tera

d)

peta

20.

There are three parallel resistances with a total current If. If I want to get the current flowing through one of them, what theorem should be used?

a)

Current division theorem

b)

Thevenin's theorem

c)

Superposition theorem

d)

Norton's theorem

21.

The sign convention for supplied power is ______.

a)

positive

b)

negative

c)

zero

d)

undefined

22.

The sign convention for absorbed power is ______.

a)

negative

b)

positive

c)

zero

d)

infinite

23.

It is a Theorem intended to check whether the circuit is supplying power having the same value as the absorbed power.

a)

Power balance theorem

b)

Thevenin's theorem

c)

Superposition theorem

d)

Norton's theorem

24.

The sum of potential ______ and potential drops along a closed path must be zero for a closed loop.

a)

rises

b)

currents

c)

charges

d)

fields

25.

An interconnection of a battery and a resistor terminated by two nodes can be called as a ______.

a)

branch

b)

loop

c)

mesh

d)

network

26.

The atomic weight of elements are defined by what international governing body?

a)

IUPAC

b)

UNESCO

c)

WHO

d)

ISO

27.

It is the time rate of change in the expense of energy.

a)

Power

b)

Energy

c)

Force

d)

Work

28.

It is a region around an electric charge where the electric force acts.

a)

Electric field

b)

Magnetic field

c)

Gravitational field

d)

Thermal field

29.

Electric potential is a vector quantity.

a)

True

b)

False

30.

An interconnection of two or more branches.

a)

Node

b)

Loop

c)

Mesh

d)

Junction

31.

A closed electrical circuit is called ______.

a)

loop

b)

switch

c)

wire

d)

bulb

32.

Another term for mesh or delta - connected loads.

a)

closed circuit

b)

open circuit

c)

parallel circuit

d)

series circuit

33.

Another term for star- wye connected loads.

a)

open circuit

b)

delta connection

c)

mesh connection

d)

parallel circuit

34.

34. An incandescent light bulb was what filament?

a)

Tungsten

b)

Copper

c)

Aluminum

d)

Iron

35.

35. LED stands for ______.

a)

Light Emitting Diode

b)

Low Energy Device

c)

Laser Emission Detector

d)

Linear Electric Display

36.

CFL stands for ______.

a)

Compact Fluorescent Lamp

b)

Central Fluorescent Light

c)

Common Filament Lamp

d)

Current Flow Limiter

37.

Which of these where Ohm’s Law is not applicable? Pick one...

a)

Resistors

b)

Capacitors

c)

Transistors

d)

Inductors

38.

Ohm’s Law is only applicable in a linear circuit if and only if the ______ is held constant.

a)

temperature

b)

voltage

c)

current

d)

resistance

39.

It is a condition in CFL’s where the visible or invisible radiation emitted by certain substances as a result of incident radiation of a shorter wavelength such as X-rays or ultraviolet light.

a)

Fluorescence

b)

Incandescence

c)

Phosphorescence

d)

Luminescence

40.

In AWG, the lower the number, the ______ the wire.

a)

thicker

b)

longer

c)

shorter

d)

thinner

41.

How many inches are there in 1 mil?

a)

0.001 inch

b)

0.01 inch

c)

0.1 inch

d)

1 inch

42.

He created the first battery.

a)

Alessandro Volta

b)

Thomas Edison

c)

Michael Faraday

d)

Nikola Tesla

43.

He wrote the De Animal Electricitate. He experimented the electrical nature of animals.

a)

Luigi Galvani

b)

Alessandro Volta

c)

Michael Faraday

d)

André-Marie Ampère

44.

He showed that charges in materials can be analogous to accounting principles when their difference gives rise to positive and negative sign of charges.

a)

Benjamin Franklin

b)

Isaac Newton

c)

James Clerk Maxwell

d)

Michael Faraday

45.

He experimented that voltage can be created by cutting the magnetic lines of force therefore laying out the foundation for the first electric motor/generator.

a)

Michael Faraday

b)

Nikola Tesla

c)

James Watt

d)

Thomas Edison

46.

46. EMF stands for ______.

a)

Electromotive Force

b)

Electric Magnetic Field

c)

Energy Motion Factor

d)

Electrostatic Measurement Formula

47.

It is the amount of energy per charge needed to move charges from one point to another.

a)

Electric potential

b)

Electric current

c)

Magnetic field

d)

Resistance

48.

It is the amount of charges passing through a point per unit of time.

a)

Current

b)

Voltage

c)

Resistance

d)

Power

49.

A type of flow where the holes are considered instead of electrons.

a)

Conventional current

b)

Electron flow

c)

Direct current

d)

Alternating current

50.

A type of flow where the electrons are considered.

a)

Electron flow

b)

Proton flow

c)

Neutron flow

d)

Ion flow

51.

If the flow of electrons is only in one direction, it is called ______.

a)

Direct current (DC)

b)

Alternating current (AC)

c)

Static electricity

d)

Electromagnetic induction

52.

If the flow of electrons is back and forth an electrical component, it is called ______.

a)

Alternating current (AC)

b)

Direct current (DC)

c)

Static electricity

d)

Electromagnetic induction

53.

53. The unit of energy in the CGS units of measurement is ______.

a)

erg

b)

joule

c)

watt

d)

calorie

54.

What is the unit of measurement for electrical field?

a)

Volt per meter (V/m)

b)

Ampere (A)

c)

Ohm (Ω)

d)

Coulomb (C)

55.

What is the unit of measurement for electrical potential?

a)

Volt (V)

b)

Ampere (A)

c)

Ohm (Ω)

d)

Watt (W)

56.

It shows the capability of free space to conduct electrical field lines.

a)

Permittivity

b)

Conductivity

c)

Permeability

d)

Resistivity

57.

It shows the capability of free space to conduct magnetic field lines.

a)

Permeability

b)

Permittivity

c)

Conductivity

d)

Susceptibility

58.

How many words did Queen Victoria send using the first Trans-Atlantic cable?

a)

98

b)

50

c)

120

d)

200

59.

Negative temperature coefficient of resistance materials tend to have ______ resistance as the temperature is decreased.

a)

higher

b)

lower

c)

constant

d)

zero

60.

What numeric resistance value is assigned for Violet?

a)

7

b)

5

c)

3

d)

9

61.

In a five-band resistor, the fourth band represents ______.

a)

tolerance

b)

resistance value

c)

temperature coefficient

d)

multiplier

62.

It is a network theorem that analyzes the circuit, one source at a time.

a)

Superposition theorem

b)

Thevenin’s theorem

c)

Norton’s theorem

d)

Maximum power transfer theorem

63.

It is a network theorem that utilizes the loops of a circuit to form equations solving for loop currents.

a)

Mesh analysis

b)

Nodal analysis

c)

Superposition theorem

d)

Thevenin's theorem

64.

It is a network theorem whose equations are dependent on the junctions of an electrical circuit.

a)

Node analysis

b)

Mesh analysis

c)

Superposition theorem

d)

Thevenin's theorem

65.

It is a network theorem that directly exploits the use of KVL and KCL in an electrical circuit.

a)

Loop analysis

b)

Thevenin’s theorem

c)

Norton’s theorem

d)

Superposition theorem

66.

It is a network theorem that simplifies an electrical circuit into a simple series circuit.

a)

Series circuit theorem

b)

Thevenin's theorem

c)

Norton's theorem

d)

Superposition theorem

67.

To convert a series combination of a battery and resistance into a parallel current source and the same resistor, we will use ______.

a)

Source transformation

b)

Thevenin’s theorem

c)

Superposition theorem

d)

Norton’s theorem

68.

It directly exploits the use of converting series battery and resistance into parallel current source and resistance across the load.

a)

Source transformation

b)

Thevenin’s theorem

c)

Superposition theorem

d)

Norton’s theorem

69.

It is a network theorem that simplifies an electrical circuit into a simple parallel circuit.

a)

Parallel circuit theorem

b)

Thevenin's theorem

c)

Norton's theorem

d)

Superposition theorem

70.

In MPT, the maximum efficiency is ______.

a)

50%

b)

60%

c)

75%

d)

40%

71.

In MPT, the load resistance must be ______ to the circuit’s equivalent resistance.

a)

equal

b)

greater than

c)

less than

d)

unrelated

72.

When a voltage source is connected across two unreferenced nodes, a ______ is created.

a)

potential difference

b)

current flow

c)

magnetic field

d)

resistance

73.

If a current source is shared between one or more loops in a circuit, a ______ may be created.

a)

supermesh

b)

subloop

c)

megamesh

d)

hyperloop

74.

74. To disable a voltage source, we ______________ its terminals.

a)

short-circuit

b)

open-circuit

c)

ground

d)

reverse

75.

To disable a current source, we ______________ its terminals.

a)

open-circuit

b)

short-circuit

c)

ground

d)

reverse

76.

If a Y connected load has equal resistances, its equivalent delta would be multiplied by what factor to get each delta resistance?

a)

3

b)

2

c)

1/2

d)

1/3

77.

He is the “champion” of direct current.

a)

Thomas Edison

b)

Nikola Tesla

c)

James Watt

d)

Michael Faraday

78.

He is the “champion” of alternating current.

a)

Nikola Tesla

b)

Thomas Edison

c)

James Watt

d)

Michael Faraday

79.

If a waveform is equal along all its period, the wave form is said to be ______________.

a)

symmetrical

b)

asymmetrical

c)

periodic

d)

random

80.

He is a mathematician who combined two different sciences as electricity and magnetism into electromagnetism.

a)

James Clerk Maxwell

b)

Isaac Newton

c)

Michael Faraday

d)

Albert Einstein

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