Question 3 (a) With the aid of schematic diagrams, explain the structure, operating principle and characteristics of a N channel JFET. N GPP INT S (b) In a self-bias n-channel JFET as shown in Figure 3, the operating point is to be set at ID - 1.5 mA and VDS-10 V. The JFET parameters are Ipss 5 mA and Vos(om)=-2 V. ww RD J1 J310 RG RS Figure 3 VDD 20 V + (i) Find the values of RS and RD. (ii) Why connect resistor RG in series with the gate of the JFET?

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please can you answer?  I can't do this.

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Write the answers precisely, do not elaborate unnecessarily, and don't use chatgpt, if i caught it I'm gonna downvote Question: Discuss the electrochemical techniques that are useful to study the capacitive properties of a material. Highlight the importance of each technique

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please answer with explanation.. answer it ASAP..