The electric bulbs have tungsten filaments of same length. If one of them gives $60 \,watt$ and other $100\, watt$, then
$100\, watt$ bulb has thicker filament
$60\, watt$ bulb has thicker filament
Both filaments are of same thickness
It is possible to get different wattage unless the lengths are different
A $220\, volt$ and $800\, watt$ electric kettle and three $220\, volt$ and $100\, watt$ bulbs are connected in parallel. On connecting this combination with $220\, volt$ electric supply, the total current will be ................ $ampere$
The resistance of hot tungsten filament is about $10$ times the cold resistance. What will be the resistance of $100\, W$ and $200\, V$ lamp when not in use ............. $\Omega $
You are given three bulbs of $25$, $40$ and $60\, watt$. Which of them has lowest resistance
If power dissipated in the circuit is $150\,W,$ then value of $R$ is ............... $\Omega$
Time taken by a $836\; W$ heater to heat $1\; litre$ of water from $10^{\circ} C$ to $40^{\circ} C$ is