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The reverse saturation of p-n diode...

The reverse saturation of p-n diode

A

depends on doping concentration

B

depends on diffusion lengths of carriers

C

depends on the doping concentration and diffusion lengths

D

depends on the doping concentration, diffusion length and devise temperature

Text Solution

Verified by Experts

The correct Answer is:
D
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What do you mean by reverse biasing of a p-n diode

In a p-n junction diode the reverse saturation current is 10 muA . What will be the forward current for a voltager of 0.2 V ?

Knowledge Check

  • In PN -junction diode the reverse saturation curren is 10^(-5) amp at 27^(@)C . The forward current for a voltage of 0.2 volt is

    A
    `2037.6xx10^(-3) amp`
    B
    `203.76xx10^(-3) amp`
    C
    `20.37xx10^(-3) amp`
    D
    `2.0376xx10^(-3) amp`

  • Find the incorrect statement regarding reverse saturation current in p-n junction diode

    A
    Reverse saturation current is also known as leakage current
    B
    Current doubles of every `100^(@) C` rise in temperature
    C
    Current carriers are produced by thermal agitation
    D
    Current is due to minority carriers

  • Pickout the incorrect statement regarding reverse saturation current in the p-n junction diode.

    A
    this currect doubles for every `100^@C` rise of temperature
    B
    the current is due to minority carriers
    C
    the curreny carriers are produced by thermal agitation
    D
    reverse saturation current is also known as leakage current

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    Passage II Diode current in a p-n junction diode is given by I-I_(0)[exp(eV)/(2kT)-1] where I_(0) is the reverse saturation current V is the voltage across the diode k is the boltzmann constant and T is the abosolute temperatuer For a given diode I_(0)=5 pA and T =300 k When the reverse bias voltage bias voltage changes from 1 v to 2 V the current will become equal to

    Passage II Diode current in a p-n junction diode is given by I-I_(0)[exp(eV)/(2kT)-1] where I_(0) is the reverse saturation current V is the voltage across the diode k is the boltzmann constant and T is the abosolute temperatuer For a given diode I_(0)=5 pA and T =300 k The forward current at a foward voltage V=0.6 V is

    Is reverse saturation current of a diode independent of reverse bias voltage?

    Assertion (A): When a p-n junction diode is reverse biased, a feeble reverse current flows known as reverse saturation current Reason (R ): In reverse bias condition, the minority carries can cross the junction.

    Pick the correct statement the reverse current in p-n junction diode

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