Which one of the following statements is not correct?
- A$A$ diode does not obey Ohm's law
- B$A$ $PN$ junction diode symbol shows an arrow identifying the direction of current (forward) flow
- CAn ideal diode is an open switch
- DAn ideal diode is an ideal one-way conductor
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Among the diodes shown in the following diagrams,which one is reverse biased?
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