Question

2. How can a bulb be made dimmer?​

Answer 1

Answer:

By changing the voltage waveform applied to the lamp, it is possible to lower the intensity of the light output. ... Modern dimmers are built from semiconductors instead of variable resistors, because they have higher efficiency.

Explanation:

Answer 2

Answer:

Adjusting a dimmer switch to a lower voltage while using a CFL, will shut it off completely. However, some CFLs are compatible with dimmer switches if they have a dimmable ballast. To find out if your CFL is compatible with a dimmer switch, locate the indicator that is usually on the packaging of the bulb

Explanation:

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