MCQ
The self inductance of a straight conductor is
  • Zero
  • B
    Very large
  • C
    Infinity
  • D
    Very small

Answer

Correct option: A.
Zero
a
(a) $L \propto n$ (Number of turns), For straight conductor $n = 0$, hence $L = 0$.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

$A$ chain of length $L$ and mass $m$ is placed upon a smooth surface. The length of $BA$ is $L-b$. Calculate the velocity of the chain when its end reaches $B$.
In the adjacent figure, if the incline plane is smooth and the springs are identical, then the period of oscillation of this body is
Polar molecules are the molecules:
A standing wave exists in a string of length $150\ cm$ , which is fixed at both ends with rigid supports . The displacement amplitude of a point at a distance of $10\ cm$ from one of the ends is $5\sqrt 3\ mm$ . The nearest distance between the two points, within the same loop and havin displacment amplitude equal to $5\sqrt 3\  mm$ is $10\ cm$ . Find the maximum displacement amplitude of the particles in the string .... $mm$
Let $N_{\beta}$ be the number of $\beta $ particles emitted by $1$ gram of $Na^{24}$ radioactive nucler (half life $= 15\, hrs$) in $7.5\, hours$, $N_{\beta}$ is close to (Avogadro number $= 6.023\times10^{23}\,/g.\, mole$)
An object $2.4\ m$ in front of a lens forms a sharp image on a film $12\ cm$ behind the lens. A glass plate $1\ cm$ thick, of refractive index $1.50$ is interposed between lens and film with its plane faces parallel to film. At what distance ( from lens) should object shifted to be in sharp focus of film?......$m$
A rod of length is $3 \;m$ and its mass acting per unit length is directly proportional to distance $x$ from one of its end then its centre of gravity from that end will be at
What is the pressure on a swimmer $20 \,m$ below the surface of water ........ $atm$
A perfect gas at $27\,^oC$ is heated at constant pressure so as to double its volume. The final temperature of the gas will be, close to ...... $^oC$
A man weighing $80\, kg$ is standing in a trolley weighing $320 \,kg$. The trolley is resting on frictionless horizontal rails. If the man starts walking on the trolley with a speed of $1 \,m / s$, then after $4\, sec$ his displacement relative to the ground will be ........ $m$