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In a silicon transistor, a change of 7.8...

In a silicon transistor, a change of `7.89 mA` in the emitter current produce a change of 7.8 mA in the collector current. What change in the base current is necessary to produce an equivalent change in the collector current?

A

7.8 mA

B

7.89 mA

C

0.09 mA

D

zero

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE-SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS-Assignment (Section -B (Objective type question (one option is correct))
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  2. In a common emitter amplifier , when a signal of 40 mV is added to the...

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  6. Two identical p-n junctions may be connected in series in which a batt...

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  8. In a doped semiconductor, the impurity level is 40 meV above the valen...

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  9. In the diagram, the input is across the terminals A and C and the outp...

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  10. In the given figure, a transistor is connected in common emitter confi...

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  11. A transistor is used in Common-emitter mode in an amplifier circuits. ...

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  12. In the given circuit, calculate the ratio of currents through the batt...

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  13. In a transistor the current amplification alpha is '0.9', when connect...

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  14. A transistor is connected in common base configuration, the collector ...

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  15. In the given circuit , the voltage across the base emitter junction is

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