A square shaped wire with resistance of each side $3\, \Omega$ is bent to form a complete circle. The resistance between two diametrically opposite points of the circle in unit of $\Omega$ will be ......
JEE MAIN 2021, Medium
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
- 1For the circuit shown in the figure, the current $I$ will be .......$A$View Solution
- 2A series combination of two resistors $1\,\Omega $ each is connected to a $12\,V$ battery of internal resistance $0.4\,\Omega $. The current flowing through it will be ............... $A$View Solution
- 3$V-i$ graphs for parallel and series combination of two identical resistors are as shown in figure. Which graph represents parallel combinationView Solution
- 4In the circuit element given here, if the potential at point $B$, $V_B = 0$, then the potentials of $A$ and $D$ are given asView Solution
- 5How many $60 \,W$ bulbs may be safely run on $220 \,V$ using a $5 \,A$ fuse is .........View Solution
- 6A wire $100\,cm$ long and $2.0\,mm$ diameter has a resistance of $0.7\, ohm$, the electrical resistivity of the material is ...........$ \times {10^{ - 6}}\,ohm \times m$View Solution
- 7Two circuits (shown below) are called ‘Circuit $A$ ’and ‘Circuit $B$’. The equivalent resistance of ‘Circuit $a$’ is $x$ and that of ‘Circuit $B$’ is $y$ between $1$ and $2.$View Solution
- 8A current of $10\, A$ exists in a wire of crosssectional area of $5\, mm ^{2}$ with a drift velocity of $2 \times 10^{-3}\, ms ^{-1}$. The number of free electrons in each cubic meter of the wire is ..........View Solution
- 9A piece of wire of resistance $4\, ohms$ is bent through $180^o$ at its mid point and the two halves are twisted together, then the resistance is ............ $ohms$View Solution
- 10A student obtained following observations in an experiment of meter bridge to find the unknown resistance of the circuit The most accurate value of unknown resistance is ............ $\Omega$View Solution
S.No. $R$ $l$ $100-l$ $S = \left( {\frac{{100 - l}}{l}} \right)R$ $1$ $20\,\Omega $ $43$ $57$ $26.51\,\Omega $ $2$ $30\,\Omega $ $51$ $49$ $28.82\,\Omega $ $3$ $40\,\Omega $ $59$ $41$ $27.80\,\Omega $ $4$ $60\,\Omega $ $70$ $30$ $25.71\,\Omega $