Question
Which of the following unit is not free from error?
✓
Answer
(b)$\frac{V-s}{A^2}$
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
A person can see clearly only upto a distance of 25 cm. He wants to read a book placed at a distance of 50 cm. What kind of lens does he require for his spectacles and what must be its power (a) Concave, – 1.0 D(b) Convex, + 1.5 D(c) Concave, – 2.0 D(d) Convex, + 2.0 D
A capacitor acts as an infinite resistance for:
Light appears to travel in straight lines since(a) It is not absorbed by the atmosphere(b) It is reflected by the atmosphere(c) Its wavelength is very small(d) Its velocity is very large
A cathode emits $1.8\times 10^{14}$ electrons per second, when heated. When 400V is applied to anode all the emitted electrons reach the anode. The charge on electron is $1.6\times 10^{-19}C$. The maximum anode current is
→A battery of internal resistance $4W$ is connected to the network of resistances as shown. In order to give the maximum power to the network, the value of $R$ (in Ω) should be
→In a meter bridge the point D is a neutral point (Fig).
The amplitude of the magnetic field of a harmonic electromagnetic wave in vacuum is $B_{0 }= 510nT.$ The amplitude of the electric field part of the wave is:
→A potentiometer having the potential gradient of 2 mV/cm is used to measure the difference of potential across a resistance of 10 ohm. If a length of 50 cm of the potentiometer wire is required to get the null point, the current passing through the 10 ohm resistor is (in mA)(a) 1(b) 2(c) 5(d) 10
A 220 V A.C. supply is connected between points A and B (Fig.). What will be the potential difference V across the capacitor?
The resistance of carbon ................. with rise in the temperature.