Question
The maximum electric field that a dielectric medium can withstand without break-down is called its:
✓
Answer
- Dielectric strength.
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
In hydrogen atom which quantity is integral multiple of $\frac{h}{2\pi}$
→A coil having $n$ turns and resistance $R W$ is connected with a galvanometer of resistance $4R \Omega$. This combination is moved in time $t$ seconds from a magnetic field $W_1$ weber to $W_2$ weber. The induced current in the circuit is
→In the given figure net magnetic field at $O$ will be
→Seven resistances are connected as shown in the figure. The equivalent resistance between $A$ and $B$ is
→The two bulbs as in the above question are connected in series to a 200 volt line. Then(a) The potential drop across the two bulbs is the same(b) The potential drop across the 40 watt bulb is greater than the potential drop across the 100 watt bulb(c) The potential drop across the 100 W bulb is greater than the potential drop across the 40 W bulb(d) The potential drop across both the bulb is 200 volt
An alpha particle moving with an initial velocity (uj)enters a region of uniform magnetic field B=Bk. the de-Broglie wavelength of the alpha particle.
Let r be the distance of a point on the axis of a magnetic dipole from its centre. The magnetic field at such a point is proportional to:
→- $\frac{1}{\text{r}}$
- $\frac{1}{\text{r}^2}$
- $\frac{1}{\text{r}^3}$
- None of these.
An electric bulb marked 40 W and 200 V, is used in a circuit of supply voltage 100 V. Now its power is(a) 100W(b) 40W(c) 20W (d) 10W
A charged particle moves in a uniform magnetic field. The velocity of the particle at some instant makes an acute angle with the magnetic field. The path of the particle will be(a) A straight line(b) A circle(c) A helix with uniform pitch(d) A helix with non-uniform pitch
A hydrogen atom in ground state absorbs $10.2eV$ of energy. The orbital angular momentum of the electron is increased by:
→