| Answer | Crossword Clue |
|---|---|
| rheostats | RHEOSTAT, a resistor used to control electric current |
| rheostat | a resistor used to control electric current |
| defibrillators | An apparatus used to control heart fibrillation by application of an electric current to the chest wall or heart |
| defibrillator | An apparatus used to control heart fibrillation by application of an electric current to the chest wall or heart |
| barretter | a resistor capable of variation and used eg for detecting radio waves or stabilizing electric current |
| barretters | BARRETTER, a resistor capable of variation and used eg for detecting radio waves or stabilizing electric current |
