Can anybody explain me what is the wattage of Resistors. such as 1/4 Watt, 1/8 Watt, 1Watt etc.

is it true that 1 Watt resistor consumes more power then 1/4 watt resistor...?

is it true that SMD components consumes less power then nomral axial or leaded components...?

Resistors do not consume anything...they are used to resist current flow in a circuit, if too much current

is allowed through a circuit... heat will be generated thus allowing more current to pass in a situation called

thermal run-away, eventually the circuit will self destruct.

Two things to consider when selecting resistors...

1- How much resistance (in ohms) is needed to control the current.

2 -How much power (in watts) the resistor should work with.

(Every component is deliberately made with smoke inside them...the trick is not to let it out!)

Hope it helps!