When a potential difference $V$ is applied across a wire of resistance $R$, it dissipates energy at a rate $W$. If the wire is cut into two halves and these halves are connected mutually parallel across the same supply, the same supply, the energy dissipation rate will become:
JEE MAIN 2024, Diffcult
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1The value of current $i_{1}$ flowing from $A$ to $C$ in the circuit diagram is$.......A$View Solution
- 2A heater of $220\, V$ heats a volume of water in $5\,\min$ time. A heater of $110\, V$ heats the same volume of water in ............... $min$View Solution
- 3Five equal resistances are connected in a network as shown in figure. The net resistance between the points $A$ and $B$ isView Solution
- 4The internal resistances of two cells shown are $0.1\,\Omega $ and $0.3\,\Omega $. If $R = 0.2\,\Omega $, the potential difference across the cellView Solution
- 5A cell of emf $6\, V$ and resistance $0.5\, ohm$ is short circuited. The current in the cell is ............... $amp$View Solution
- 6A parallel combination of two resistors, of $1 \,\Omega$ each, is connected in series with a $1.5 \,\Omega$ resistor. The total combination is connected across a $10\, V$ battery. The current flowing in the circuit is .............. $A$View Solution
- 7In a potentiometer circuit a cell of $EMF$ $1.5\, {V}$ gives balance point at $36\, {cm}$ length of wire. If another cell of $EMF$ $2.5\, {V}$ replaces the first cell, then at what length of the wire, the balance point occurs ? (in $cm$)View Solution
- 8Three equal resistances each of value $R$ are joined as shown in the figure. The equivalent resistance between $M$ and $N$ isView Solution
- 9A battery of $e.m.f.$ $10\, V$ and internal resistance $0.5\, ohm$ is connected across a variable resistance $R$. The value of $R$ for which the power delivered in it is maximum is given by ......... $ohm$View Solution
- 10The potential drop across the $3$ $\Omega$ resistor is ............... $V$View Solution
