| |||
| filament current | |||
| heater current | |||
| filament current (valve); heater current (valve); heating current (valve) | |||
| filament current (of an X-ray tube) | |||
| heating current; heater circuit | |||
|
Heizstrom : 3 phrases in 3 subjects |
| Nuclear physics | 1 |
| Radiation | 1 |
| Technology | 1 |