GENERAL PHYSICS II

Question 1

Are simply passive device that can store an electrical charge on their plates when connected to voltage source

Answer 1

CAPACITORS

Question 2

How many parallel conductive plates does capacitor have which are not connected or touching each other, but are electrically separated by insulating material.

Answer 2

2 two

Question 3

What is called to the insulating layer between a capacitor plate

Answer 3

Dialectic

Question 4

Capacitance value and voltage rating

Answer 4

Capacitors

Question 5

Is the measure of a capacitors ability to store an electrical charge onto it’s two plates

Answer 5

Capacitance

Question 6

Si unit of capacitance

Answer 6

Farad ( f )

Question 7

Farad is named after the British physicist ?

Answer 7

Michael Faraday

Question 8

mf ×10–³

Answer 8

Milifarad

Question 9

µF ×10-⁶

Answer 9

Microfarad

Question 10

nF ×10-⁹

Answer 10

Nanofarad

Question 11

Smallest unit of capacitance

Answer 11

Picofarad

Question 12

pF ×10-¹²

Answer 12

Picofarad

Question 13

Formula of capacitance of a capacitor

Answer 13

C= e0 L²
——
d

Question 14

Constant value of e0

Answer 14

8.85 × 10-¹² C²/ N.m²

Question 15

Capacitance value and depends upon three main factors

Answer 15

1. Surface area
2. Distance
3. Dialectric Material

Question 16

The larger the area the greater the capacitance

Answer 16

Surface area

Question 17

Between the two plates, the smaller the distance the greater the capacitance

Answer 17

Distance

Question 18

The higher the permitivity of the dialectric the greater the capacitance

Answer 18

Dialectric material

Question 19

Electric connections

Answer 19

Series and parallel capacitors

Question 20

Definition of series capacitors

Answer 20

Consecutive capacitors

Question 21

Definition of parallel capacitors

Answer 21

One plate of each capacitor is connected directly to one terminal of the source

Question 22

Ctotal of series

Answer 22

All over one.
_____1____________
= ¹/c¹ + ¹/ c² + ¹/c³

Question 23

Ctotal of series

Answer 23

Take the sum.

= C¹ + C² + C³

Question 24

Q total of series

Answer 24

Same and identical

Q¹ = Q² = Q³

Question 25

QTotal of parallel

Answer 25

Take the sum = Q¹ + Q² + Q³

Question 26

Vtotal

Answer 26

= V¹ + V² + V³

Question 27

Sum of the voltage drop of each capacitor Same computation for series and parallel

Answer 27

Vtotal

Question 28

Movement or flow of the charge

Answer 28

Electric current

Question 29

Analogy

Answer 29

Flow of water on the river

Question 30

Si unit of electric current

Answer 30

Ampere ( A )

Question 31

The Si unit of electric current is named after the physicist

Answer 31

André - Marie Ampere

Question 32

1 ampere is equivalent to?

Answer 32

1 coulumb per second 1coulumb / 1 second

Question 33

Symbol of electric current

Answer 33

I (caps i)

Question 34

Symbol of dialectic constant

Answer 34

K

Question 35

What will happen to the value of capacitance when inserting a dialectic material between plates of a capacitor?

Answer 35

Changes / increases

Question 36

Good dialectrics

Answer 36

• Materials with large values of K. • this are usually highly iconic, meaning that they contain positive and negative ions bound together.

Question 37

Materials that are very iconic tend to have

Answer 37

Largest value of K

Question 38

Materials that are NOT ICONIC tend to have

Answer 38

Smallest value of K

Question 39

The actual value of the dialectric constant depends on the

Answer 39

Material

Question 40

Series Circuit

Answer 40

- Closed circuit - not common in homes - Unreliable wirings - bulbs are dependent with each other

Question 41

Parallel Circuit

Answer 41

- Closed Circuit - Commonly used in homes - reliable wirings - bulbs are INDEPENDENT

Question 42

Path for transmitting electric current

Answer 42

Electric circuit

Question 43

Parts of an electric circuit

Answer 43

- Battery / a generator - Bulbs / Lamps - key / Switch - Wires

Question 44

Primary sources of energy

Answer 44

Battery

Question 45

Device that use current

Answer 45

Bulb

Question 46

Control the circuit

Answer 46

Switch

Question 47

Transmission lines

Answer 47

Wires

Question 48

Incomplete path which means there is NO FLOW of current

Answer 48

Open Circuits

Question 49

Complete path and THERE IS a FLOW OF CURRENT

Answer 49

Closed circuit

Question 50

Three elements of electricity

Answer 50

Voltage, current, and resistance

Question 51

The three elements follows the

Answer 51

Ohms law

Question 52

Formula for resistance

Answer 52

R = I __ V

Question 53

Si unit of resistance

Answer 53

Ohms ( Ω )

Question 54

The value of wires resistance depends on its

Answer 54

Composition, size, and shape

Question 55

It is useful to define a quantity of p called resistivity, where the value of p depends on the

Answer 55

Material used to make the wire, but not on its shape and size

Question 56

Regulate, limit and control the current flowing anywhere in a circuit

Answer 56

Resistor

Question 57

Measurements of resistors value

Answer 57

Resistance

Question 58

Si unit of resistor

Answer 58

Ohms

Question 59

Ohms was named after the physicist

Answer 59

Georg Simon Ohm

Question 60

Is a way of showing the value of a resistor

Answer 60

Resistor colour code

Question 61

Band A

Answer 61

1st digit

Question 62

Band b

Answer 62

2nd digit

Question 63

Band c

Answer 63

Multiplier

Question 64

Band D

Answer 64

Tolerance

Question 65

Black

Answer 65

00 ×1

Question 66

Brown

Answer 66

11×10

Question 67

Red

Answer 67

2

Question 68

Orange

Answer 68

3

Question 69

Yellow

Answer 69

4

Question 70

Green

Answer 70

5

Question 71

Blue

Answer 71

6

Question 72

Violet

Answer 72

7

Question 73

Grey

Answer 73

8

Question 74

White

Answer 74

9

Question 75

Gold

Answer 75

-1

Question 76

Silver

Answer 76

-2

Question 77

Is the percentage of error in the resistors resistance

Answer 77

Tolerance