The voltage of clouds is $4 \times 10^6\,volt$ with respect to round. In a lighteing strike lasting $100\,m\,sec$, a charge of $4\,coulombs$ is delivered to the ground. The power of lightening strike is
AIIMS 2006, Medium
Download our app for free and get started
Energy delivered to the ground $=\mathrm{V} . \mathrm{Q}$
$=4 \times 10^{6} \times 4=16 \times 10^{6}\,joule$
Power $=\frac{16 \times 10^{6}}{\text { time }}=\frac{16 \times 10^{6}}{100 \times 10^{-3}}=16 \times 10^{7}$
$=160 \,\mathrm{MW}$
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 magnitude of $i$ in ampere unit isView Solution
- 2View SolutionA potential difference is applied across the ends of a metallic wire. If the potential difference is doubled, then the drift velocity
- 3Resistances of $6\, ohm$ each are connected in the manner shown in adjoining figure. With the current $0.5\,ampere$ as shown in figure, the potential difference ${V_P} - {V_Q}$ is .............. $V$View Solution
- 4A $dc$ source of $emf \,E_1 = 100\,V$ and internal resistance $r = 0.5\,\Omega ,$ a storage battery of emf $E_2 = 90\,V$ and an external resistance $R$ are connected as shown in figure. For what value of $R$ no current will pass through the battery ? ................ $\Omega$View Solution
- 5In the circuit shown in the figure $K_1$ is open. The charge on capacitor $C$ in steady state is $q_1$. Now key is closed and at steady state charge on $C$ is $q_2$. The ratio of charges $q_1/q_2$ isView Solution
- 6On giving $220\,V$ to a resistor the power dissipated is $40\,W$ then value of resistance is ............... $\Omega$View Solution
- 7In the circuit shown below, the current that flows from $a$ to $b$ when the switch $S$ is closed ............... $A$View Solution
- 8If the resistivity of a potentiometer wire be $\rho $ and area of cross-section be $A$, then what will be potential gradient along the wireView Solution
- 9A potentiometer has uniform potential gradient across it. Two cells connected in series $(i)$ to support each other and $(ii)$ to oppose each other are balanced over $6\,m$ and $2\,m$ respectively on the potentiometer wire. The $e.m.f.$’s of the cells are in the ratio ofView Solution
- 10The value of current $i_{1}$ flowing from $A$ to $C$ in the circuit diagram is$.......A$View Solution
