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Standard XII

Physics

Mechanism of Formation of P-N Junction

In a zener di...

Question

In a zener diode, the reverse bias voltage is $3 V$ and the width of the depletion region is $300 ˚ A$ , the electric field intensity will be ___________ $V / c m$ .

10^{6}

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10^{4}

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10^{8}

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10^{- 2}

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Solution

The correct option is A $10^{6}$
The magnitude of the barrier electric field for a zener diode
E=V/d, ---- (1)
where V=3 volt
$d = 300 \times 10^{- 8} c m$

Putting corresponding values in equation 1 we get:
$E = 1 \times 10^{6}$ V/cm

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In a zener diode, the reverse bias voltage is 3V and the width of the depletion region is 300˚A, the electric field intensity will be ___________ V/cm.

The correct option is A 106The magnitude of the barrier electric field for a zener diodeE=V/d, ---- (1)where V=3 voltd=300×10−8cmPutting corresponding values in equation 1 we get:E=1×106 V/cmE=3300×10−10

In a zener diode, the reverse bias voltage is $3 V$ and the width of the depletion region is $300 ˚ A$ , the electric field intensity will be ___________ $V / c m$ .

The correct option is A $10^{6}$
The magnitude of the barrier electric field for a zener diode
E=V/d, ---- (1)
where V=3 volt
$d = 300 \times 10^{- 8} c m$

Putting corresponding values in equation 1 we get:
$E = 1 \times 10^{6}$ V/cm