A $10\, micro-farad$ capacitor is charged to $500\, V$ and then its plates are joined together through a resistance of $10\, ohm$. The heat produced in the resistance is........$J$
Easy
Download our app for free and get started
(d) $U = \frac{1}{2}C{V^2} = \frac{1}{2} \times 10 \times {10^{ - 6}} \times {(500)^2}$$ = 1.25\,J$
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
- 1The ratio of momenta of an electron and an $\alpha$-particle which are accelerated from rest by a potential difference of $100\, volts$ isView Solution
- 2Conduction electrons are almost uniformly distributed within a conducting plate. When placed in an electrostatic field $\overrightarrow E $, the electric field within the plateView Solution
- 3View SolutionIf a dielectric substance is introduced between the plates of a charged air-gap capacitor. The energy of the capacitor will
- 4Two parallel plates have equal and opposite charge. When the space between them is evacuated, the electric field between the plates is $2 \times {10^5}\,V/m$. When the space is filled with dielectric, the electric field becomes $1 \times {10^5}\,V/m$. The dielectric constant of the dielectric materialView Solution
- 5There is a uniformly charged non conducting solid sphere made of material of dielectric constant one. If electric potential at infinity be zero, then the potential at its surface is $V$. If we take electric potential at its surface to be zero, then the potential at the centre will beView Solution
- 6The equivalent capacitance of the system shown in the following circuit is $...........\mu F$View Solution
- 7In the circuit shown in the figure, $C = 6\,\mu F$. The charge stored in the capacitor of capacity $C$ is......$\mu C$View Solution
- 8The electric potential $V$ at any point $(x, y, z),$ all in metres in space is given by $V = 4x^2$ volt. The electric field at the point $(1, 0, 2)$ in volt/meter, isView Solution
- 9The capacity of a parallel plate condenser is $15\,\mu \,F$, when the distance between its plates is $6 \,cm$. If the distance between the plates is reduced to $2\, cm$, then the capacity of this parallel plate condenser will be......$\mu \,F$View Solution
- 10View SolutionThe time constant of given circuit is
