Two resistors having equal resistances are joined in series and a current is passed through the combination. Neglect any variation in resistance as the temperature changes. In a given time interval
Easy
Download our app for free and get started
$P = {i^2}R$ ($i$ and $R$ are same)
So $P$ will be same for given resistors.
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 charge accumulated on the capacitor connected in the following circuit is________ $\mu \mathrm{C}$ (Given $\mathrm{C}=150\ \mu \mathrm{F}$ )View Solution
- 2In given Network the equivalent resistance between $A$ and $B$ is .............. $\Omega$View Solution
- 3A wire has resistance $12\,\Omega $. It is bent in the form of a circle. The effective resistance between the two points on any diameter is equal to ................ $\Omega$View Solution
- 4The figure shows a network of currents. The magnitude of currents is shown here. The current $i$ will be ................. $A$View Solution
- 5A cell of $emf\;4\,V$ and internal resistance $0.5\,\Omega$ is connected to a $7.5\,\Omega$ external resistance. The terminal potential difference of the cell is $.....\,V$.View Solution
- 6In a wire of cross section radius $r,$ free electrons travel with drift velocity $v$ when a current $I$ flows through the wire. What is the current in another wire of half the radius and of the same material when the drift velocity is $2v$ ?View Solution
- 7Assertion : When current through a bulb decreases by $0.5\%$, the glow of bulb decreases by $1\%$.View Solution
Reason : Glow (Power) which is directly proportional to square of current.
- 8Two identical cells, when connected either in parallel or in series gives same current in an external resistance $5\,\Omega$. The internal resistance of each cell will be $.............\,\Omega$.View Solution
- 9If resistivity of all four wire connected in parallel is different as given in figure and all other dimensions of wire are same then current $i$ is (resistance of wire having resistivity $\rho $ is $R_0$ )View Solution
- 10In the given circuit, an ideal voltmeter connected across the $10\,\Omega $ resistance reads $2\, V$. The internal resistance $r$, of each cell is ................... $\Omega$View Solution
