Embibe Experts Solutions for Chapter: Current Electricity, Exercise 1: Level 1

Which graph best represents the relationship between conductivity and resistivity for a solid?

In the arrangement shown, the equivalent resistance between points $A$ and $B$ is $kR$. Then, the value of $k$ is:-

The five resistors each having resistances of $5 \mathrm{\Omega }$ are connected in parallel. If a voltage of $10 \mathrm{V}$ is applied to the circuit, then the current through the circuit is

The voltage of clouds is $4\times {10}^6$ $\mathrm{V}$ with respect to ground. In a lightning strike lasting $100 \mathrm{ms}$ a charge of $4 \mathrm{C}$ is delivered to the ground. The power of lightening strike is $x \mathrm{MW}$, what is the value of $x$?

How many electrons flow per second through an electric bulb rated $220 \mathrm{V}, 100 \mathrm{W}$ ?

The value of current $I$ in the following circuit is $x \mathrm{A}$ then the value of $x$ is

In the given circuit diagram, the current through the $1 \mathrm{\Omega }$ resistor is given by $I$ amp. Find the value of $2I$.

In the given circuit the current in each resistance is