Embibe Experts Solutions for Chapter: Current Electricity, Exercise 1: Haryana Board-2018

Explain the Kirchhoff's junction rule

Draw the circuit diagram to determine unknown resistance using a meter bridge Write the equation for determining the unknown resistance.

What is Kirchchoff's Loop rule.

Explain the principle of potentiometer. Draw the labelled circuit diagram for comparing of emf of two cell.

With the increase in length of a conductor, its resistivity:
 

On which principle does meter bridge work? Draw a labelled circuit diagram and write an expression to find an unknown resistance

How much current flows through a $2k\Omega$ resistor when a potential difference of $4\mathrm{V}$ is applied across its ends?

How much current flows through a $4 \mathrm{k\Omega }$ resistor when a potential difference of $2 \mathrm{V}$ is applied across its ends?