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http://papers.xtremepapers.com/CIE/...and AS Level/Physics (9702)/9702_s09_qp_4.pdf
I need someone's help with Q10 (b) please!
I need someone's help with Q10 (b) please!
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this is a non inverting amplifier so the formula for the gain is G=1+R1/R2http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s09_qp_4.pdf
I need someone's help with Q10 (b) please!
this is a non inverting amplifier so the formula for the gain is G=1+R1/R2
so 25=1+120/R
24R=120
R=5
sureThanks a lot for your help! Can you please help me with (c)(i) as well?
sure
ok so u need to find Vout so the formula is Gain=Vout/Vin
u already know ur gain 25 and Vin as -0.08 so Vout is 25x0.08=2V
Doubled.What happens to the spring constant if the cross-sectional area is doubled?
Which book should I chose for Physics?
which one is the recent edition? any idea?
That one is the recent one.Second edition.which one is the recent edition? any idea?
Force on wire is upwards according to newtons third law.http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s09_qp_4.pdf
help please! 6(b)(i) why does the fact that the force on the magnet is downwards mean that the force on the wire is upwards?
Force on wire is upwards according to newtons third law.
Use Flemings left hand rule. Thumb will point upward, second finger in direction from x to y. So first finger will be from pole p to other pole. Thus pole p is north pole as magnetic field direction is from north to south.
Its okay.Thanks a lot!!
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