Supposedly the higher the resistance in a circuit the hotter it gets.
The problem came about when my friend was using resistors on his car when he was using LED indicators instead of incandescent type bulbs. The lack of current consumption meant the leds would flash rapidly.
When I said to him you need to use xx amount of ohms (equiv to the bulb) to stop it but they will get very hot due to their low resistance and may even pop. That's when the arguement started.
however, why is the case the opposite when you use a resistor accross a battery? the lower the resistance the hotter the resistor gets.When a current flows through a resistor energy is wasted and the resistor heats up. The greater the resistance the hotter it gets. The battery has to do work to force the electrons through the resistor and this work ends up as heat energy in the resistor.
The problem came about when my friend was using resistors on his car when he was using LED indicators instead of incandescent type bulbs. The lack of current consumption meant the leds would flash rapidly.
When I said to him you need to use xx amount of ohms (equiv to the bulb) to stop it but they will get very hot due to their low resistance and may even pop. That's when the arguement started.