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

A steady current is maintained in a linear conductor having a non-uniform cross-section. The quantity of charge flowing per second is:

Which of the following statement is not true about carbon resistors?

Which of the following is a semiconductor?

The Critical temperature of the material is that temperature, below which the conductor behaves as 

The resistance $R_t$ of a conductor varies with temperature $t$ as shown in the figure. If the variation is represented by $R_t=R_0\left[1+\alpha t+\beta t^2\right]$, then

Nichrome or Manganin is widely used in wire bound standard resistors because of their

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

In the shown arrangement of the experiment of the metre bridge if $\mathrm{AC}$ corresponding to null deflection of galvanometer is x, what would be its value if the radius of the wire $\mathrm{AB}$ is doubled?