Question
The net electric flux through a closed surface is:
✓
Answer
- Zero.
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
X-ray will travel minimum distance in(a) Air(b) Iron(c) Wood(d) Water
A 50 mH coil carries a current of 2 ampere. The energy stored in joules is(a) 1 (b) 0.1(c) 0.05(d) 0.5
In a hydrogen atom, which of the following electronic transitions would involve the maximum energy change(a) From n = 2 to n = 1(b) From n = 3 to n = 1(c) From n = 4 to n = 2(d) From n = 3 to n = 2
Let $F_{pp'} F_{pn}$ and $F_{nn}$ fill denote the magnitudes of the nuclear force by a proton on a proton, by a proton on a neutron and by a neutron on a neutron respectively. When the separation is $1$ fm:
→What is the valence electron in alkali metal?
When no current is passed through a conductor:
A conducting square loop of side $l$ and resistance $R$ moves in its plane with a uniform velocity $v$ perpendicular to one of its sides. A magnetic induction $B$ constant in time and space, pointing perpendicular and into the plane at the loop exists everywhere with half the loop outside the field, as shown in figure. The induced $\text{e.m.f.}$ is
→The energy of hydrogen atom in its ground state is – 13.6 eV. The energy of the level corresponding to the quantum number n is equal 5 is(a) – 5.40 eV(b) – 2.72 eV(c) – 0.85 eV(d) – 0.54 eV
In a L - C - R circuit, as the frequency of an alternating current increases the impedance of the circuit.
Assertion : In practical application, power rating of resistance is not important.
Reason : Property of resistance remain same even at high temperature.(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 : Property of resistance remain same even at high temperature.(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.