You are given a resistance wire of length $50\, cm$ and a battery of negligible resistance. In which of the following cases is largest amount of heat generated
When the wire is connected to the battery directly
When the wire is divided into two parts and both the parts connected to the battery in parallel
When the wire is divided into four parts and all the four connected to the battery in parallel
When only half the wire is connected to the battery
A cable of resistance $10\,\Omega $ carries electric power from a generator producing $250\, kW$ at $10000\, volt$, the power lost in the cable during transmission is ............. $kW$
The heat produced by a $100\, watt$ heater in $2$ minute will be equal to
In india electricity is supplied for domestic use at $220\,\,V$. It is supplied at $110\,\, V$ in $USA$. If resistance of $60\,\, W$ bulb for use in India is $R$, then the resistance of $60\,\, W$ bulb for use in $USA$ will be
A $5\;ampere$ fuse wire can withstand a maximum power of $1\; watt$ in the circuit. The resistance of the fuse wire is
A $60\, watt$ bulb carries a current of $0.5\, amp$. The total charge passing through it in $1$ hour is ............ $coulomb$