K.C.S.E Physics Q & A - MODEL 2013PP2QN16
(a) Two points A and B have a potential difference of V volts. Q coulombs of charge flow between A and B for t seconds. Determine:
(i) the electrical energy transformed between the two points in terms of Q.
(ii) the power transformed in terms of Q and t.
(iii) show that the power transformed is given by P = IV.
(b) The lighting circuit in a house has 20 lamps each rated 60 W, 240 V. Determine whether a fuse rated 4 A can be used in the circuit when all the lamps are put on.
FORM I - PHYSICS SYLLABUS
FORM II - PHYSICS SYLLABUS
FORM III - PHYSICS SYLLABUS
FORM IV - PHYSICS SYLLABUS
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