What is phase difference of input and output signal in Common Emitter Amplifier?

Important Questions on Semiconductor Electronics: Materials, Devices and Simple Circuits

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Achieve CUET (UG) Physics Practice Book>Chapter 14 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Exercise>Q 132

In a common-emitter transistor amplifier circuit $\beta =50,$ input resistance $R_i=500 \Omega$ and output resistance $R_L=5 \mathrm{K\Omega }$ . The voltage gain of the amplifier is 

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Achieve CUET (UG) Physics Practice Book>Chapter 14 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Exercise>Q 133

Transfer characteristics [output voltage $\left(V_0\right)$ vs input voltage $\left(V_i\right)$] for a base biased transistor in CE configuration is as shown in the figure. For using transistor as a switch, it is used

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Achieve CUET (UG) Physics Practice Book>Chapter 14 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Exercise>Q 134

The minimum potential difference between the base and emitter required to switch a silicon transistor ‘ON’ is approximately :-

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Achieve CUET (UG) Physics Practice Book>Chapter 14 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Exercise>Q 135

The minimum potential difference between the base and emitter required to switch a silicon transistor ON is approximately

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IMPORTANT

Achieve CUET (UG) Physics Practice Book>Chapter 14 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Exercise>Q 136

Transistor switch is an essential component of

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Achieve CUET (UG) Physics Practice Book>Chapter 14 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Exercise>Q 137

Transistors can work as a switch in

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Achieve CUET (UG) Physics Practice Book>Chapter 14 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Exercise>Q 138

A transistor ($\mathrm{pnp}$ or $\mathrm{npn}$) can be used as

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Achieve CUET (UG) Physics Practice Book>Chapter 14 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Exercise>Q 139

A transistor oscillator is

(i) An amplifier with positive feedback

(ii) An amplifier with reduced gain

(iii) The one in which DC supply energy is converted into AC output energy. Then