In a sensitive meter bridge apparatus the bridge wire should possess
AIEEE 2012, Diffcult
Download our app for free and get started
Bridge wire in a sensitive meter bridge wire should be of high resistivity and low temperature coefficient
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
- 1In the following circuit, $5$ $\Omega$ resistor develops $45$ $J/s$ due to current flowing through it. The power developed per second across $12$ $\Omega$ resistor is ............. $W$View Solution
- 2View SolutionElectric power is transmitted over long distances through conducting wires at high voltage because
- 3Two batteries with e.m.f $12\ V$ and $13\ V$ are connected in parallel across a load resistor of $10\,\Omega$ . The internal resistances of the two batteries are $1\,\Omega$ and $2\,\Omega$ respectively. The voltage across the load lies betweenView Solution
- 4Which of the four resistances $P, Q, R$ and $S$ generate the greatest amount of heat when a current flows from $A$ to $B$ ?View Solution
- 5If three bulbs $60\,W$, $100\,W$ and $200\,W$ are connected in parallel, thenView Solution
- 6Two identical cells each of emf $1.5\,V$ are connected in series across a $10\,\Omega$ resistance. An ideal voltmeter connected across $10\,\Omega$ resistance reads $1.5\,V$. The internal resistance of each cell is $......\Omega$.View Solution
- 7The charge flowing in a conductor varies with time as $Q = at -bt^2$. Then for current, which statement is incorrect.View Solution
$(A)$ decreases linearly with time
$(B)$ reaches a maximum and then decreases
$(C)$ fall to zero after time $t = a/2b$
$(D)$ changes at a rate $-2b$
Options : - 8A $60\, watt$ bulb operates on $220\,V$ supply. The current flowing through the bulb isView Solution
- 9In the given figure $R_1=10 \Omega, R_2=8 \Omega, R_3=4 \Omega$ and $R_4=8 \Omega$. Battery is ideal with emf $12 \mathrm{~V}$. Equivalent resistant of the circuit and current supplied by battery are respectively.View Solution
- 10Two wires $A$ and $B$ are made up of the same material and have the same mass. Wire A has radius of $2.0 \mathrm{~mm}$ and wire $B$ has radius of $4.0 \mathrm{~mm}$. The resistance of wire B is $2 \Omega$. The resistance of wire $\mathrm{A}$ is_______. $\Omega$.View Solution