An energy source will supply a constant current into the load if its internal resistance is
AIEEE 2005, Easy
Download our app for free and get started
(d) $I=\frac{E}{R+r},$ Internal resistance $(r)$ is
zero $I=\frac{E}{R}=$ constant
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 SolutionIt is easier to start a car engine on a hot day than on a cold day. This is because the internal resistance of the car battery
- 2View SolutionThe magnitude and direction of the current in the following circuit is :-
- 3Three voltmeters, all having different internal resistances are joined as shown in figure. When some potential difference is applied across $\mathrm{A}$ and $B$, their readings are $V_1, V_2$ and $V_3$. Choose the correct option.View Solution
- 4A 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 .............. $\Omega$View Solution
- 5Eight resistances each of resistance $5\,\Omega $ are connected in the circuit as shown in figure. The equivalent resistance between $A$ and $B$ isView Solution
- 6Three unequal resistors in parallel are equivalent to a resistance $1\, ohm$. If two of them are in the ratio $1 : 2$ and if no resistance value is fractional, the largest of the three resistances in $ohms$ isView Solution
- 7View SolutionFor the post office box arrangement to determine the value of unknown resistance the unknown resistance should be connected between
- 8The equivalent resistance between ends $A$ and $B$ isView Solution
- 9The Kirchhooff's first law $\left(\sum i=0\right)$ and second law ( $\left.\sum i R=\sum E\right)$, where the symbols have their usual meanings, are respectively based onView Solution
- 10The ratio of the equivalent resistance of the network (shown in figure) between the points $a$ and ${b}$ when switch is open and switch is closed is ${x}: 8 .$ The value of ${x}$ is ..... .View Solution
