| Answer | Crossword Clue |
|---|---|
| varistors | A semiconductor diode with resistance dependent on the applied voltage |
| varactor | A semiconductor diode with a capacitance dependent on the applied voltage |
| varactors | semiconductor diode whose capacitance changes to match applied voltage, used to tune circuits by varying the reactance |
| led | a semiconductor diode that emits light when a voltage is applied to it and that is used especially in electronic devices (as for an indicator light) |
