A 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$
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
- 1Two resistors of resistance $R_1$ and $R_2$ having $R_1 > R_2$ are connected in parallel. For equivalent resistance $R$, the correct statements isView Solution
- 2If a wire of resistance $20\,\Omega $ is covered with ice and a voltage of $210\, V$ is applied across the wire, then the rate of melting of ice is .................. $g/s$View Solution
- 3The value of current $i_{1}$ flowing from $A$ to $C$ in the circuit diagram is$.......A$View Solution
- 4Three identical resistances $A$, $B$ and $C$ are connected as shown in the given figure. The heat produced will be maximumView Solution
- 5The current flowing through a conductor connected across a source is $2\,A$ and $1.2\,A$ at $0^{\circ}\,C$ and $100^{\circ}\,C$ respectively. The current flowing through the conductor at $50^{\circ}\,C$ will be $......\times 10^2\,mA$.View Solution
- 6What are the charges stored in the $1 \,\mu F$ and $2 \,\mu F$ capacitors in the circuit below, once the currents become steady?View Solution
- 7Find current in $6\,\Omega $ resistanceView Solution
- 8The combination of two identical cells, whether connected in series or parallel combination provides the same current through an external resistance of $2 \,\Omega$. The value of internal resistance of each cell is ............ $\Omega$View Solution
- 9In the circuit shown, the cell has $emf = 10\,V$ and internal resistance $= 1\, \Omega$ :-View Solution
- 10A current of $15\,mA$ flows in the circuit as shown in figure. The value of potential difference between the points $A$ and $B$ will be $...\,V$View Solution
