A length of wire has a non-uniform cross-sectional area. There is an electric current in
the wire.
Which of the following is not constant along the length of this wire?
A electric current
B electron charge
C electron drift velocity
D number of free electrons per unit volume
(Total for Question 7 = 1 mark)
Question
Physics
CAIE2024
v 2 = u 2 + 2as
hydrostatic pressure ∆p = ρg∆h
upthrust F = ρgV
f v
Doppler effect for sound waves f = s
o v!v
s
electric current I = Anvq
resistors in series R = R + R + ...
Question
Physics
CAIE2024
v 2 = u 2 + 2as
hydrostatic pressure ∆p = ρg∆h
upthrust F = ρgV
f v
Doppler effect for sound waves f = s
o v!v
s
electric current I = Anvq
resistors in series R = R + R + ...
Question
Physics
CAIE2024
v 2 = u 2 + 2as
hydrostatic pressure ∆p = ρg∆h
upthrust F = ρgV
f v
Doppler effect for sound waves f = s
o v!v
s
electric current I = Anvq
resistors in series R = R + R + ...
Question
Physics
Edexcel2023
I / A
Question
Physics
CAIE2023
the mean current in the resistor,
mean current = A
Question
Physics
CAIE2022
v 2 = u 2 + 2as
(cid:75)(cid:92)(cid:71)(cid:85)(cid:82)(cid:86)(cid:87)(cid:68)(cid:87)(cid:76)(cid:70) (cid:83)(cid:85)(cid:72)(cid:86)(cid:86)(cid:88)(cid:85)(cid:72) ∆p = ρg(cid:168)h
(cid:88)(cid:83)(cid:87)(cid:75)(cid:85)(cid:88)(cid:86)(cid:87) F = ρgV
f v
(cid:86)
(cid:39)(cid:82)(cid:83)(cid:83)(cid:79)(cid:72)(cid:85) (cid:72)(cid:73)(cid:73)(cid:72)(cid:70)(cid:87) (cid:73)(cid:82)(cid:85) (cid:86)(cid:82)(cid:88)(cid:81)(cid:71) (cid:90)(cid:68)(cid:89)(cid:72)(cid:86) f =
o v!v
(cid:86)
electric current I = Anvq
(cid:85)(cid:72)(cid:86)(cid:76)(cid:86)(cid:87)(cid:82)(cid:85)(cid:86) (cid:76)(cid:81) (cid:86)(cid:72)(cid:85)(cid:76)(cid:72)(cid:86) R = R + R + ...
Question
Physics
CAIE2016
electric current I = Anvq
resistors in series R = R + R + . . .