A piece of fuse wire melts when a current of $15\, ampere$ flows through it. With this current, if it dissipates $22.5\, W$, the resistance of fuse wire will be .............. $\Omega$
Easy
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
- 1View SolutionThe colour sequence in a carbon resistor is red, brown, orange and silver. The resistance of the resistor is
- 2View SolutionIn the experiment of potentiometer, at balance, there is no current in the
- 3Potential difference across the $40\,\Omega $ resistance will be ............ $V$View Solution
- 4For the resistance network shown in the figure, choose the correct option$(s)$. $Image$View Solution
$(A)$ The current through $P Q$ is zero.
$(B)$ $I_1=3 A$.
$(C)$ The potential at $S$ is less than that at $Q$.
$(D)$ $I _2=2 A$.
- 5The figure below shows currents in a part of electric circuit. The current $i$ is ............. $amp$View Solution
- 6In the circuit shown in figure, the heat produced in $5\, ohm $ resistance is $10\, cal / sec$ . The heat produced in $4$ resistance is ................ $cal /sec$View Solution
- 7View SolutionIn the circuit diagram shown below, the magnitude and direction of the flow of current respectively would be
- 8If two electric bulbs have $40\,W$ and $60\,W$ rating at $220\,V$, then the ratio of their resistances will beView Solution
- 9View SolutionEmf is most closely related to
- 10View SolutionThermopile is used for