• We need your support!

    We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
    Click here to Donate Now (View Announcement)

9702_w02_qp_2

XPFMember

XPRS Moderator
Messages
4,555
Reaction score
13,290
Points
523
Assalamoalaikum!!
Can anyone plz explain Q:9 b how to calculate the resistance.
Jazak Allah Khair
 
Messages
677
Reaction score
190
Points
53
Use the formula,

R = $ L /A ($ is resistivity here )

since A and $ is constant ...

So
R1 / L1 = R2 /L2

or

change in R / R = change in L / L

change in R / 0.03 = 0.37 / 1800

AND U get your ans :)
 
Messages
213
Reaction score
9
Points
28
the solution @Beacon of light solved will give you full credit. nice way to solve.
 
Top