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In the circuit shown, the transistor used has current gain $β = 100$ . What should be the base resistor Rb so that V_CE = 5 V, V_BE = O ?

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1×103 Ω

500 Ω

200×103 Ω

2×103 Ω

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detailed solution

Correct option is C

Given that,β−100,Vcc−10 volt Vcc=5 volt ,RC=1KΩic=VCC−VCERCic=ibRbwe know amplification factorib=icβthenic=icβRbRb=βVCCicRb=100×105mA=200KΩRb=200×103Ω

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In the circuit shown, the transistor used has current gain β=100. What should be the base resistor Rb so that VCE = 5 V, VBE = O ?

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In the circuit shown, the transistor used has current gain $β = 100$ . What should be the base resistor Rb so that V_CE = 5 V, V_BE = O ?