Q.Write the circuit symbol of FET and name the terminals.

The JFET symbol shows the channel as a vertical line with the gate lead (carrying an arrow) meeting it, and it has three terminals like every FET.

[!ANSWER]

The symbol is drawn with a vertical channel line, the drain at the top, the source at the bottom, and a gate lead with an arrowhead entering from the side (arrow pointing towards the channel for an n-channel JFET). The three terminals are the Drain (D), the Source (S) and the Gate (G).

[!TLDR]

The FET symbol is a vertical channel line with drain at top, source at bottom and a gate lead with an arrow entering from the side; its terminals are Drain, Source and Gate.

In the standard symbol of a JFET the channel is drawn as a vertical straight line. The lead coming out of the top end is the Drain (D) and the lead from the bottom end is the Source (S). A third lead — the Gate (G) — enters from the side and carries a small arrowhead. For an n-channel JFET the gate arrow points inward, towards the channel line; for a p-channel JFET it points outward, away from the channel. Thus every FET has exactly three terminals through which its operation is understood.

[!ANSWER]

The three terminals of an FET are the Drain (D), the Source (S) and the Gate (G), shown on a symbol having a vertical channel line, drain on top, source at bottom and a gate lead with an arrowhead entering from the side.