In the arrangement of resistances shown below, the effective resistance between points $A$ and $B$ is ............... $\Omega$
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
- 1In a hydrogen discharge tube it is observed that through a given cross-section $3.13 \times {10^{15}}$ electrons are moving from right to left and $3.12 \times {10^{15}}$ protons are moving from left to right. What is the electric current in the discharge tube and what is its directionView Solution
- 2View SolutionA potential difference is applied across the ends of a metallic wire. If the potential difference is doubled, then the drift velocity
- 3Find out current in $3\,\Omega $ resistance in given circuitView Solution
- 4Two resistances are joined in parallel whose resultant is $\frac{6}{8}\,ohm$. One of the resistance wire is broken and the effective resistance becomes $2\,\Omega $. Then the resistance in ohm of the wire that got broken wasView Solution
- 5Find the equivalent resistance across $AB$ .............. $\Omega$View Solution
- 6In hydrogen atom, the electron makes $6.6 \times {10^{15}}$ revolutions per second around the nucleus in an orbit of radius $0.5 \times {10^{ - 10}}\,m$. It is equivalent to a current nearlyView Solution
- 7During lighting, a current pulse, shown in figure, flows from the cloud at a height $1.5\ km$ to the ground. If the breakdown electric field of humid air is about $400\ kVm^{-1}$ , the energy released during lighting would be (in unit of $10^9\ J$ )View Solution
- 8A potentiometer wire of length $300\,cm$ is connected in series with a resistance $780\,\Omega$ and a standard cell of emf $4\,V$. A constant current flows through potentiometer wire. The length of the null point for cell of emf $20\,mV$ is found to be $60\,cm$. The resistance of the potentiometer wire is$...\Omega$View Solution
- 9In the given figure, the charge stored in $6 \ \mu \mathrm{F}$ capacitor, when points $A$ and $B$ are joined by a connecting wire is___________ $\mu \mathrm{C}$.View Solution
- 10Heat produced in a wire of resistance $R$ due to current flowing at constant potential difference is proportional toView Solution