MCQ
Which is not a unit of electric field
  • A
    $N{C^{ - 1}}$
  • B
    $V{m^{ - 1}}$
  • $J{C^{ - 1}}$
  • D
    $J{C^{ - 1}}{m^{ - 1}}$

Answer

Correct option: C.
$J{C^{ - 1}}$
c
$SI$ unit of electric field strength is newtons per coulomb $( N / C )$ or volts per meter $( V / m )$.

It is also expressed as $JC ^{-1} m ^{-1}$.

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

The maximum and minimum distances of a comet from the Sun are $1.6 \times 10^{12}\, m$ and $8.0 \times 10^{10}\, m$ respectively. If the speed of the comet at the nearest point is $6 \times 10^{4}\, ms ^{-1},$ the speed at the farthest point is ......... $\times 10^{3}\, m / s$
The radii of the two columns in $U$ tube are $r_1$ and $r_2$. When a liquid of density $\rho $ (angle of contact is $0^o$ ) is filled in it the level difference of liquid in two arms is $h$. The surface tension of liquid is ($g =$ acceleration due to gravity)
A motorcycle is going on an overbridge of radius $R$. The driver maintains a constant speed. As the motorcycle is ascending on the overbridge, the normal forces on it is
Two projectiles $A$ and $B$ thrown with speeds in the ratio $1:\sqrt{2}$ acquired the same height. If $A$ is thrown at an angle of $45^\circ$ with the horizontal, then angle of projection of $B$ will be:
When a long glass capillary tube of radius $0.015\;cm$ is dipped in a liquid, the liquid rises to a height of $15\, cm$ within it. If the contact angle between the liquid and glass to clase to $0^{\circ},$ the surface tension of the liquid, in $milli\,Newton \;m ^{-1}$ is $.....$

$\left[\rho_{\text {(liquid) }}=900\; kg\,m ^{-3}, g =10\, ms ^{-2}\right]$ (Give answer in closest integer)

If time taken by the projectile to reach $Q$ is $T$, then $PQ$ =
$Assertion$ : A judo fighter in order to throw his opponent on to the mat tries to initially bend his opponent and then rotate him around his hip.
$Reason$ : As the mass of the opponent is brought closer to the fighter’s hip, the force required to throw the opponent is reduced
A bullet of mass $0.1\, kg$ is fired on a wooden block to pierce through it, but it stops after moving a distance of $50\, cm$ into it. If the velocity of bullet before hitting the wood is $10$ $m / s$ and it slows down with uniform deceleration, then the magnitude of effective retarding force on the bullet is $'x' N.$ The value of $'x'$ to the nearest integer is................. $N$
Assertion : The equivalent thermal conductivity of two plates of same thickness in contact is less than the smaller value of thermal conductivity.
Reason : For two plates of equal thickness in contact the equivalent thermal conductivity is given by : $\frac{1}{K} = \frac{1}{{{K_1}}} + \frac{1}{{{K_2}}}$
A body is projected from ground obliquely. During downward motion, power delivered by gravity to it