electricity and circuits

Question 1

presence and flow of electric charges

Answer 1

electricity

Question 2

electric potential per unit of charge and the capability of the charged particle to do work

Answer 2

electric potential

Question 3

formula for volt

Answer 3

energy / charge

Question 4

net amount of charge that passes through the wire’s full cross-section at any point per time

Answer 4

electric current

Question 5

formula for amperes

Answer 5

coulombs / seconds

Question 6

charges moving in the same direction

Answer 6

direct current

Question 7

charges moving one way first, then the opposite after half a cycle

Answer 7

alternating current

Question 8

measure of the opposition of the flow of the current

Answer 8

resistance (R)

Question 9

SI unit of resistance

Answer 9

Ohm

Question 10

4 factors of resistance

Answer 10

• length
• temperature
• material
• cross-sectional area

Question 11

the property of the conductor due to which it offers resistance to the flow of current

Answer 11

resistivity (p)

Question 12

formula for resistance

Answer 12

R= P length/area

Question 13

an electrical component that limits or regulates the flow of electrical current

Answer 13

resistors

Question 14

band 1 = 2
band 2 = 5
band 3 = x10^4
what is the value of the resistors

Answer 14

25 x 10 ^4
: 250,000 ohms
sigfig : 250 kiloohm

Question 15

formula for current

Answer 15

I = V/R

Question 16

formula for volt

Answer 16

V = IR

Question 17

formula for resistance

Answer 17

R = V/I

Question 18

the lower circulation than the entire amount of volt

Answer 18

voltage drop

Question 19

rate at which electrical energy is converted to another form such as mechanical energy, sound, heat, etc

Answer 19

electric power

Question 20

formula for power

Answer 20

P = energy transformed (QV) / time

Question 21

SI unit for power

Answer 21

watt

Question 22

formula for energy

Answer 22

power x time

Question 23

any path along which currents and electrons can flow
- unbroken path of material that carries electricity

Answer 23

electric circuits

Question 24

2 or more loads of resistors linked across a single loop of wire

Answer 24

series circuits

Question 25

how to get total current (I total)

Answer 25

I1 +I2+ I3…

Question 26

how to get total resistance

Answer 26

RT = R1 + R2 + R3…

Question 27

different loads are situated on different loops

Answer 27

parallel circuits