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

The unit of current element is $\underline{ }$
 

Identify the correct variation of drift velocity $\left(v_d\right)$ with electric field strength $\left(E\right):$

The drift velocity of electrons in a conducting medium is due to

Current flowing through a circuit is shown in the figure then the resistance of the circuit is

Constantan wire is used in making standard resistances because its

Copper and Silicon are cooled from $300 \mathrm{K}$ to $60 \mathrm{K}$. The specific resistance

A piece of copper and another of germanium are cooled from room temperature to $80 \mathrm{K}$. The resistance of...

A light bull is rated at $110 \mathrm{W}$ for a $220 \mathrm{V}$ supply. The resistance of the bulb is