PHYSICS MIDTERMS

Question 1

work done by total charge against the electric field

Answer 1

ELECTRIC POTENTIAL ENERGY

Question 2

measurement of electric potential energy?

Answer 2

JOULES

Question 3

work done by each charge across the cicuit

Answer 3

ELECTRIC POTENTIAL

Question 4

electric potential units

Answer 4

JOULES/COULOMBS OR VOLTS

Question 5

store charges as main purpose

Answer 5

CAPACITOR

Question 6

when does capcitor release charge?

Answer 6

WHEN NO CHARGES FLOWING

Question 7

capacitor made out of?

Answer 7

TWO METAL PLATES AND BETWEEN A DIELECTRIC MATERIAL

Question 8

amount of wpork done to a unit + charge from one point to another

Answer 8

POTENTIAL DIFFERENCE

Question 9

dieelctric material (6)

Answer 9

PAPER
GLASS
MICA
TEFLON
PARAFFIN
OTHER INSULATORS

Question 10

capacitance relation to area of metal plates and permitivity of material

Answer 10

DIRECTLY PROPORTIONAL

Question 11

capacitance relationship to distance between metal plates

Answer 11

INDIRECTLY PROPORTIONAL

Question 12

capacitance formula

Answer 12

C= Charge (Q) / Voltage ( V)

Question 13

CAPACITANCE FORMULA FOR STRENGTH

Answer 13

C = ELECTROSTATIC CONSTANT x Area / distance

c= EoA/d

Question 14

What will happen to the Capacitor, if the battery has high voltage output than the prescribed capacitor?

Answer 14

DIELECTRIC BREAKDOWN

Question 15

what will happen during dielectric breakdown?

Answer 15

EXPLOSION

Question 16

ability of capacitor to charge

Answer 16

CAPACITANCE

Question 17

unit of capacitor

Answer 17

FARAD

Question 18

not commin homes as unreliable method

Answer 18

SERIES CIRCUIT

Question 19

more comon in homes

Answer 19

PARALLEL CIRCUIT

Question 20

failure affects all

Answer 20

SERIES CIRCUIT

Question 21

failure doesnt affect all

Answer 21

PARALLEL CIRCUIT

Question 22

c total formula in series

Answer 22

1/n + 1/N THEN ANSWER RECIPROCAL

Question 23

is voltage same across in Series?

Answer 23

V1 + V2 + V3

Question 24

HOW TO MEASURE ENERGY IN EACH CAPACITOR? SERIES

Answer 24

Q1=Q2=Q3

Question 25

C TOTAL FOR PARALLEL

Answer 25

c1 + c2 + c3

Question 26

V TOTAL FOR PARALLEL

Answer 26

v1=v2=v3

Question 27

Q TOTAL FOR PARALLEL

Answer 27

q1 + q2 + q3

Question 28

rate or flow of charges in a conductor across the circuit

Answer 28

CURRENT

Question 29

amount of charge passing through any point in a conductor per unit time

Answer 29

ELECTRIC CURRENT

Question 30

current/ electric current symbol

Answer 30

I

Question 31

electric current formula

Answer 31

I = Q/T

Question 32

unit of electric current

Answer 32

AMPERE

Question 33

electron moves in conducting wires as they move opposing to the electric field, they move randomlu

Answer 33

DRIFT VELOCITY

Question 34

amount of charges passed through a unit of cross sectional area

Answer 34

CURRENT DENSITY

Question 35

current flows from High to low potential

Answer 35

CONVENTIONAL CURRENT

Question 36

current flows from low potential to high potential

Answer 36

ELECTRON CURRENT

Question 37

protons flow from positive to negative terminal

Answer 37

CONVENTIONAL CURRENT

Question 38

electrons from negative to positive terminal

Answer 38

ELECTRON CURRENT

Question 39

accurate current

Answer 39

ELECTRON CURRENT

Question 40

what is passed in conventional

Answer 40

PROTONS

Question 41

what is passed in electron current

Answer 41

ELECTRON

Question 42

direction of conventional

Answer 42

CLOCKWISE

Question 43

direction of nonconventional

Answer 43

COUNTERCLOCKWISE

Question 44

current runs in one direction

Answer 44

DIRECT CURRENT

Question 45

current runs in laternating direction

Answer 45

ALTERNATIVE CURRENT

Question 46

source of DC

Answer 46

BATTERY

Question 47

source of AC

Answer 47

GENERATOR

Question 48

DC flows from positive to negtaive

Answer 48

POLARITY

Question 49

good for sensitive devices

Answer 49

DC

Question 50

good for powering houses

Answer 50

AC

Question 51

has no terminals

Answer 51

AC

Question 52

difficulty of electric current to flow in a circuit

Answer 52

RESISTANCE

Question 53

help to maintain the current and voltage in a circuit converting the excess electric energy into heat energy help to reduce the voltage output

Answer 53

RESISTOR

Question 53

opposition of the materials to the flow of the elctrical current

Answer 53

ELECTRICAL RESISTORS

Question 54

si unit for resistance

Answer 54

OHMS

Question 55

ohms is named after?

Answer 55

GEORGE SIMON OHM

Question 56

amphere named after?

Answer 56

ANDRE MARIE AMPERE

Question 57

relation of resistance to area of wire

Answer 57

INDIRECTLY PROPORTIONAL

Question 58

relation of resistance to wire length

Answer 58

DIRECTLY PROPORTIONAL

Question 59

relation of resistance to resistivity of material of wIre

Answer 59

DIRECTLY PROPOTIONAL

Question 60

resistance formula

Answer 60

R=RESISTIVITY TIMES LENGTH OVER AREA

Question 61

resistance id defined as the ratio of voltage to the resulting current

Answer 61

OHMS LAW

Question 62

more resistance

Answer 62

LESS CURRENT

Question 63

excess electricity in resistance turns into

Answer 63

HEAT ENERGY

Question 64

amount of error of the component within the circuit

Answer 64

TOLERANCE

Question 65

ohms law triangle top to left right

Answer 65

VIR

Question 66

I unit of measurement

Answer 66

AMPS

Question 67

r unit of measurement

Answer 67

OHMS

Question 68

P in PIV means?

Answer 68

POWER

Question 69

power unit of measurements

Answer 69

WATT