Part 1 Chapter 1 - Basic Electrical Engineering

Question 1

Define as sa fundamental quantity in Nature . Consist of two basic electrical charges.

Answer 1

ELECTRICITY

Question 2

Two Types Of Electrical Charges :

Answer 2

PROTON AND ELECTRON

Question 3

Two Types Of Electricity:

Answer 3

STATIC ELECTRICITY AND DYNAMIC ELECTRICITY

Question 4

Define as the Electricity At Rest

Answer 4

STATIC ELECTRICITY

Question 5

Defined as the Electricity when electric charges are Moving

Answer 5

DYNAMIC ELECTRICITY

Question 6

Electrical Quantity that refers to the movement of electric charges

Answer 6

CURRENT

Question 7

Electrical Quantity that refers to the force that causes the movement of electrical charges

Answer 7

VOLTAGE or POTENTIAL DIFFERENCE or ELECTROMOTIVE FORCE

Question 8

Electrical Quantity that refers to the opposition of the movement of electrical charges

Answer 8

RESISTANCE

Question 9

Charge per unit Time

Answer 9

CURRENT

Question 10

Work per unit Charge

Answer 10

VOLTAGE

Question 11

Work per unit Time

Answer 11

POWER

Question 12

Electrical quantity refers to the storage of energy or how much electric charge can be stored in a capacitor

Answer 12

CAPACITANCE

Question 13

He Proves that radio Waves travels the same velocity as Light waves

Answer 13

HEINRICH HERTZ

Question 14

He predicted Electromagnetics Waves That demonstrates later by Hertz

Answer 14

JAMES CLERK MAXWELL

Question 15

He discovered that the magnet in motion produce electricity

Answer 15

MICHAEL FARADAY

Question 16

He Showed that Electric Current can produce magnetic effects

Answer 16

HANS CHRISTIAN OERSTED

Question 17

He develop practical radio system for long distance and he succeeded in producing wireless communication across Atlantic Ocean

Answer 17

GUGLIELMO MARCONI

Question 18

It’s first use as Amplifier for Electric Signals

Answer 18

VACUUM TUBE

Question 19

Ohm’s Law states that:

Answer 19

CURRENT IS DIRECTLY PROPORTIONAL TO THE VOLTAGE AND INVERSELY PROPORTIONAL TO THE RESISTANCE

Question 20

KDKA Station uses what type of Modulation

Answer 20

AMPLITUDE MODULATION RADIO BAND

Question 21

Solid State Devices that Replace Vacuum Tubes usually made of Silicon And Germanium

Answer 21

TRANSISTOR

Question 22

It convert alternating current to direct current or as rectifier , voltage multiplier clipper and clamper

Answer 22

DIODE

Question 23

Give Three Types Active Electronics Components

Answer 23

1. SEMICONDUCTOR
2. ELECTRON TUBES
3. VISUAL DISPLAY DEVICES

Question 24

Give three types of Passive Electronic Components

Answer 24

1. RESISTOR
2. CAPACITOR or CONDENSER
3. INDUCTOR or COILS or CHOKES

Question 25

It transmit electromagnetic radio waves

Answer 25

TRANSMITTER

Question 26

It Receives the Transmitted electromagnetic radio waves

Answer 26

RECEIVER

Question 27

It is an important characteristic of any varying Voltage and Current to specify how fast the Amplitudes Change

Answer 27

FREQUENCY

Question 28

it means Radiation for Wireless Transmission . Also Abbreviated form of Radiotelegraph and Radiotelephone

Answer 28

RADIO

Question 29

Capacitance Formula

Answer 29

C= E (A/D)

Where
E= Permittivity
A= Area
D= Width of Depletion

Question 30

It is the opposition to the Change of Current

Answer 30

INDUCTANCE

Question 31

Formula of Inductance

Answer 31

L=N^2(uA/l)

Where
N is number of turns
A is Area
u is permeability
l is Length

Question 32

It is the reciprocal of Resistance and the unit is Siemens formerly Mho

Answer 32

Conductance