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Dependence of Resistance on Temperature

The input cha...

Question

The input characteristics of a transistor in CE mode is the graph obtained by plotting

$I_{B}$ against IC at constant $V_{C E}$

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$I_{B}$ against $V_{B E}$ at constant $V_{C E}$

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$I_{B}$ against IC at constant $V_{B E}$

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$I_{B}$ against $V_{C E}$ at constant $V_{B E}$

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Solution

The correct option is B
$I_{B}$ against $V_{B E}$ at constant $V_{C E}$

The input characteristics of a transistor in CE mode is the graph obtained by plotting $I_{B}$ against $V_{B E}$ at constant $V_{C E}$

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Similar questions

(r_{i})

β

(R_{i}

= {[\frac{Change in emitter base voltage (△ V_{B E})}{Change in base current (△ I_{B})}]}_{at constant V_{C E}}

R_{i} = {(\frac{△ V_{B E}}{△ I_{B}})}_{V_{C E}}

(β) = {(\frac{△ I_{C}}{△ I_{B}})}_{V_{C E}}

\frac{△ I_{C}}{△ I_{E} - △ I_{C}}

\frac{\frac{△ I_{C}}{△ I_{E}}}{\frac{△ I_{C}}{△ I_{E}} - \frac{△ I_{C}}{△ I_{E}}}

\frac{α}{1 - α}

\Rightarrow β = \frac{α}{1 - α}

(r_{i})

β

(R_{i}

= {[\frac{Change in emitter base voltage (△ V_{B E})}{Change in base current (△ I_{B})}]}_{at constant V_{C E}}

R_{i} = {(\frac{△ V_{B E}}{△ I_{B}})}_{V_{C E}}

(β) = {(\frac{△ I_{C}}{△ I_{B}})}_{V_{C E}}

\frac{△ I_{C}}{△ I_{E} - △ I_{C}}

\frac{\frac{△ I_{C}}{△ I_{E}}}{\frac{△ I_{C}}{△ I_{E}} - \frac{△ I_{C}}{△ I_{E}}}

\frac{α}{1 - α}

\Rightarrow β = \frac{α}{1 - α}

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