Thread: Physics Papers 2000
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Old Tuesday, August 17, 2010
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(12) The impedance of a circuit does not depend on
(a) I
(b) f
(c) R
(d) C
(e) all of these

3) The work done by a force of 20 N in displacing an object through a distance of 5 cm is
(a) 100 J
(b) 4 J
(c) 400 J
(d) 1 J

Its 1 J option (d)
cm must be converted to meter first
Last edited by marwatone; Friday, December 23, 2011 at 05:53 AM.
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