state true or false , ohm's law doesn't apply to radio valves and transmitors
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True. Ohm's law is not applicable to radio valves and transmitters.
Explanation:
Ohm's law is more an empirical law than a fundamental one. Empirical laws are laws that are laid down on the basis of certain observations. The main premise of this law is that total resistance is constant. Although this law works most of the time, it does not apply to conductors or components of a non-ohmic nature.
Ohm's Law does not apply to all those electrical or electronic devices which contain any of the following components in their circuits:
- Tungsten
- Filament (in incandescent bulbs)
- Vacuum Tubes
- Semiconductors
- Liquid Electrolytes
- Iron Core Inductors
- Transformers.
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