electricity

Question 1

equation linking current time and charge

Answer 1

I = Q/t

Question 2

equation linking charge, with number of particles, time, and elementary charge

Answer 2

Q= net

Question 3

elementary charge

Answer 3

1.6 x 10^-19

Question 4

equation linking current elementary charge and number of particles

Answer 4

I = ne

Question 5

equation linking resistance voltage and current

Answer 5

V= IR

Question 6

equation linking current, area velocity elementary charge and number of particles

Answer 6

I= nAve

Question 7

equation linking velocity work done and charge

Answer 7

V=W/Q

Question 8

equation linking KE with elementary charge and voltage

Answer 8

eV = 1/2 mv^2

Question 9

equation linking resistance, resistivity area and length

Answer 9

R= (resistivity x L)/A

Question 10

equation linking power, current and voltage

Answer 10

P= IV

Question 11

equation linking resistance current and power

Answer 11

P= I^2 R

Question 12

equation linking power voltage and resistance

Answer 12

p= V^2/R

Question 13

equation linking work done current time and voltage

Answer 13

W= VIt

Question 14

equation linking power work done and time

Answer 14

P= W/ t (P=E/t)

Question 15

equation linking work done voltage and charge

Answer 15

W= QV

Question 16

when in series: resistance

Answer 16

R1+R2= Rt

Question 17

when in series: current

Answer 17

I1=I2= I3

Question 18

when in series:

Answer 18

V1+ V2= Vt

Question 19

when in parallel: resistance

Answer 19

1/Rt= 1/R1 + 1/R2

Question 20

when in parallel: current

Answer 20

It= I1 + I2

Question 21

when in parallel: voltage

Answer 21

V1 = V2 = V3

Question 22

potential divider equation

Answer 22

Vout = R2/(R1+R3) x Vin

Question 23

equation linking voltage and resistance

Answer 23

V1/V2 = R1/R2