2076 GIE Set B Q. No. 9a A moving coil meter has a resistance of 2522 and indicates full scale deflection when a
current of 4.0 mA flows through it. How could this meter be
converted to a milliammeter having a full scale deflection for
a current of 50mA?
[4]
Ans: 2.142​

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th