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A transistor is used in common-emitter m...

A transistor is used in common-emitter mode in an amplifier circuit. When a signal of 20 mV is added to the base-emitter Voltage, the base current changes by 20 `mu A` and the Collector current changes by 2mA The load resistance is `5k Omega` . Calculate (i ) the factor  `beta`.(ii) the input resistance (iii ) the transconductance and `R_(BE)`(iv) the voltage gain.

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To solve the given problem step-by-step, we will calculate the following parameters for the transistor used in common-emitter mode: 1. The factor beta (β) 2. The input resistance (R_BE) 3. The transconductance (g_m) 4. The voltage gain (A_v) ### Step 1: Calculate the factor beta (β) ...
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FIITJEE-SEMICONDUCTOR AND DEVICE-SOLVED PROBLEMS Objective: Level-I
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  7. Propogation constant of a transmission line is :

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  10. Distance of propogation from antenna of height 20m is

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  11. If critical frquency for ionosphere is 30MHz.Calculate the maximum fre...

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  12. The velocity of electromagnetic waves in a dieclectric medium (epsilo...

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  13. For television broadcasting, the frequency employed is normally.

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  14. An antenna is :

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  15. The characteristic impedance of a co-axial cableis of the order of:

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  16. Long distance short - wave radio frequency broadcasting uses:

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  17. Propogation constant of a transmission line is :

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  18. The T.V.Transmission tower in Delhi has a height of 240m. The distnace...

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  19. The number of telephone conversations by a fibre of band width 40MHz, ...

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  20. Distance of propogation from antenna of height 20m is

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  21. If critical frquency for ionosphere is 30MHz.Calculate the maximum fre...

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