Question 1:
(a) Using appropriate electronic symbols, draw a forward biased semiconductor diode in an electronic circuit.
(b) What will happen if the battery connection in 1(a) is reversed?
Answer:
(a)
(b) The bulb does not light up because the diode is a in reverse biased state.
(a) Using appropriate electronic symbols, draw a forward biased semiconductor diode in an electronic circuit.
(b) What will happen if the battery connection in 1(a) is reversed?
Answer:
(a)
(b) The bulb does not light up because the diode is a in reverse biased state.
Question 2:
Figure 1 shows a half-wave rectification kit connected to an alternating current power supply and a cathode ray oscilloscope (C.R.O.).
(a) Sketch what is displayed on the cathode ray oscilloscope screen.
(b) If a capacitor is connected in parallel with the resistor, R, sketch the changes to what is displayed on the cathode ray oscilloscope screen.
Answer:
(a)
(b)
Figure 1 shows a half-wave rectification kit connected to an alternating current power supply and a cathode ray oscilloscope (C.R.O.).
(a) Sketch what is displayed on the cathode ray oscilloscope screen.
(b) If a capacitor is connected in parallel with the resistor, R, sketch the changes to what is displayed on the cathode ray oscilloscope screen.
Answer:
(a)
(b)