However, reality is not always this simple. One of the phenomena explored in a later chapter is that of conductor resistance changing with temperature. In an incandescent lamp (the kind employing the principle of electric current heating a thin filament of wire to the point that it glows white-hot), the resistance of the filament wire will increase dramatically as it warms from room temperature to operating temperature. If we were to increase the supply voltage in a real lamp circuit, the resulting increase in current would cause the filament to increase temperature, which would in turn increase its resistance, thus preventing further increases in current without further increases in battery voltage.
The voltage rating of 12v on a bulb refers to the amount of electrical potential difference required for the bulb to function properly. In simpler terms, it is the amount of energy needed to power the bulb.
The wattage of a bulb, in this case 36w, is directly related to its brightness. The higher the wattage, the brighter the bulb will be. This is because wattage measures the rate of energy consumption, and a higher wattage means more energy is being used to produce light.
No, a bulb with a voltage rating of 12v is not compatible with all sockets. It is important to check the specifications of the socket before using a bulb to ensure that the voltage and wattage ratings match.
The main difference between 12v and 36v bulbs is the amount of energy required to power them. 12v bulbs require less energy and are typically used in low voltage applications, while 36v bulbs require more energy and are typically used in high voltage applications.
No, a 12v 36w bulb cannot be used in place of a 36v 12w bulb. The voltage and wattage ratings must match in order for the bulb to function properly. Using a bulb with mismatched ratings can lead to damage or malfunction.