K.C.S.E Physics Q & A - MODEL 2009PP2QN14
​ (a) Figure 7 shows a pair of parallel plates of a capacitor connected to a Battery the upper plates is displaced slightly to the left.
​State with reason the effect of this movement of the capacitance
(b) Figure 8 shows an electrical circuit with three capacitors A, B and C of capacitance 4.0 μF, 5.0 μF and 3.0 μF respectively connected to a 12V battery
Determine:
(i) The combined capacitance of the three capacitors (ii) The charge of the capacitor A (iii) The potential difference across the capacitors B
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K.C.S.E Physics Q & A - MODEL 2009PP2QN11
​ In an X- ray tube it is observed that the intensity of X- rays increases when potential differences across the filament is increased. Explain this observation
answer
K.C.S.E Physics Q & A - MODEL 2009PP2QN08
​Figure 3 shows part of an electrical circuit. The current through the 18ohms resistor is observed to be 2A.
​State the value of the current through each of the 10 ohm resistors
answer
K.C.S.E Physics Q & A - MODEL 2009PP2QN06
​Figure 2 shows how the displacement varies with time for a certain wave
​Determine the frequency of the wave
K.C.S.E Physics Q & A - MODEL 2009PP2QN02Figure 1 shows a ray of light incident on a mirror at an angle of 450. Another mirror is placed at an angle of 450 to the first one as shown
Sketch the path of the ray until it emerges
K.C.S.E Physics Q & A - MODEL 2009PP1QN18(a) State the pressure law for an ideal gas
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