Draw a circuit diagram of L.E.D. What are its advantages?

Draw a circuit diagram of L.E.D. Mention it's advantages?

Draw circuit diagram of Wheatstone bridge.

Draw the circuit diagrams of AND and NOT gates.

Draw a circuit diagram to verify the Ohm's Law.

Draw a circuit diagram of C.E. transistor amplifier. Briefly explain its working and write the expression for (i) current gain (ii) voltage gain of the amplifier.

Draw the circuit diagram of half wave rectifier.

Draw a circuit diagram of a full rectifier and explain its working.

Draw the circuit diagram of a half wave rectifier and explain its working.