MCQ
Which of the following relations is correct ?
- ✓$\vec{E}=\frac{\vec{F}}{q}$
- B$\vec{E}=q\vec{F}$
- C$\vec{E}=\frac{q}{\vec{F}}$
- D$\vec{E}=\frac{1}{4\pi\in_{0}}\frac{q}{\vec{F}}$
✓
Answer
Correct option: A.
$\vec{E}=\frac{\vec{F}}{q}$
A
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The electric potential at the centre of a charged spherical conductor in comparison with the potential at the surface of the conductor:
Arrange the following in the increasing order of magnetic susceptibility.
What is the valence electron in alkali metal?
A perpendicular material is place in a magnetic fields. Consider the following statemetns:
- If the magnetic field is increased, the magnetization is increased.
- If the temperature is increased, the magnetization is increased.
Photoelectric effect was successfully explained first by(a) Planck(b) Hallwash(c) Hertz (d) Einstein
An aluminium ring $B$ faces an electromagnet $A.$ The current I through $A$ can be altered
→Assertion : If the distance between parallel plates of a capacitor is halved and dielectric constant is made three times, then the capacitor becomes 6 times.
Reason : Capacity of the capacitor does not depend upon the nature of the material. (a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
Reason : Capacity of the capacitor does not depend upon the nature of the material. (a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
A nichrome wire $50 \ cm$ long and one square millimetre cross$-$section carries a current of $4 A$ when connected to a $2 V$ battery. The resistivity of nichrome wire in ohm metre is
→A bulb of $100$ watt is hanging at a height of one meter above the centre of a circular table of diameter $4 m.$ If the intensity at a point on its rim is $\mathrm{I}^ 0$, then the intensity at the centre of the table will be
→A parallel plate capacitor of area $A,$ plate separation $d$ and capacitance $C$ is filled with three different dielectric materials having dielectric constants $K_1,K_2$ and $K_3$ as shown. If a single dielectric material is to be used to have the same capacitance $C$ in this capacitor, then its dielectric constant k is given by
→