The resistance of a conductor having length l area of cross section a – McqOptions

MCQOPTIONS

1.	The resistance of a conductor having length l area of cross section a and resistivity ρ is given as:
A.	ρa/l
B.	ρl/a
C.	ρla
D.	l/ρ
Answer» C. ρla

Discussion

No Comment Found

Related MCQs

The property of fluid by virtue of which it offers resistance to shear is called
Three capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them
<p>"The total electric flux through any closed surface surrounding charges is equal to the amount oflcharge enclosed".The above statement is associated with</p>
<p>The dissipation factor of a good dielectric is of the order of</p>
<p>If A.C. voltage is applied to capacitive circuit, the alternating current can flow in the circuit because</p>
<p>Two plates of a parallel capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the</p>
<p>Which of the following is not a vector ?</p>
<p>The capacitance of a capacitor is not affected by</p>
<p>A dielectric material must be</p>
<p>If three 10 uF capacitors are connected in parallel, the net cararitance is</p>