State the effect of decreasing the distance between the plates of a parallel plate capacitor on the capacitance.
State the effect of decreasing the distance between the plates of a parallel plate capacitor on the capacitance.
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Figure 1 shows two parallel rays from a distant object passing through a convex lens: (a) Indicate on the diagram, the position of the principal focus of the lens. (1 mark) (b) Determine the focal length of the lens
Figure 1 shows two parallel rays from a distant object passing through a convex lens:
(a) Indicate on the diagram, the position of the principal focus of the lens.
(b) Determine the focal length of the lens
) Suggest a suitable doping material for n-type semi-conductor.
Suggest a suitable doping material for n-type semi-conductor.
) What do you understand by the term doping?
What do you understand by the term doping?
What is the difference between intrinsic and extrinsic semi-conductors?
What is the difference between intrinsic and extrinsic semi-conductors?
) Sketch a V-I graph for a diode and clearly show the forward and reverse bias characteristics.
Sketch a V-I graph for a diode and clearly show the forward and reverse bias
characteristics.
Draw a well labeled diagram of a P-N junction in forward bias mode.
Draw a well labeled diagram of a P-N junction in forward bias mode.
) The effect of the value of the capacitance of the smoothing capacitor in relation to smoothing.
The effect of the value of the capacitance of the smoothing capacitor in relation to smoothing.
State (i) What is meant by smoothing,
State
(i) What is meant by smoothing,
Briefly explain how a p-type semiconductor is formed
Briefly explain how a p-type semiconductor is formed
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