Electronics questions | form four Physics

An electron passes between two plates, one of which A, carries a positive charge and the other B a negative charge. What is the effect on the electron?

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UNSOLVED

Name two semiconductors which are of special importance in electronics.

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Distinguish between:
(i) donor and acceptor atoms.
(ii) n type and p type semiconductors.

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Study Figure 1 then answer the questions that follow:

(i) Complete the circuit by showing how a pn junction diode should be connected
between X and Y in order for the current to flow.
(ii) Sketch the expected characteristics when the diode is connected in this manner.
(iii) Give the name of the type of connection described in (c)(i) above.
(iv) What will happen within a circuit if the terminals of a battery are reversed?

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UNSOLVED

(i) What is meant by saturation current?
(ii) Give one peculiar property of a diode as a rectifier.

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UNSOLVED