Two similar p-n junctions can be connected in three different ways as shown in the figures. The two connections across which the potential difference is same are

circuits a and b

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circuits b and c

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circuits a and c

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all the circuits

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Solution

The correct option is A circuits b and c
in circuit b) both the p-n junction diodes are forward biased so the potential difference across them is same.
in circuit c) both the p-n junction diodes are reverse biased so the potential difference across them is same.

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Two similar p-n junctions can be connected in three different ways as shown in the figures. The two connections across which the potential difference is same are

The correct option is A circuits b and cin circuit b) both the p-n junction diodes are forward biased so the potential difference across them is same.in circuit c) both the p-n junction diodes are reverse biased so the potential difference across them is same.

The correct option is A circuits b and c
in circuit b) both the p-n junction diodes are forward biased so the potential difference across them is same.
in circuit c) both the p-n junction diodes are reverse biased so the potential difference across them is same.