Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

The resultant resistance value of n resistances each of r connected in parallel ohm is x.  When these n resistances are connected in series, the resultant value is

Options:

x

nrx

$n^x$

nx

Correct Answer:

$n^x$

Explanation:

$R = \frac{x}{n}$

$R'= nx$

$\frac{R'}{R} = n^2$