Quiz

Q1. Instruments should be regularly calibrated to

Q2. Burden of current transformer is expressed in

Q3. A moving iron instrument can be used for

Q4. An electric filament bulb can be worked from

Q5. Which of the following methods of heating is independent of supply frequency?

Q6. Angle reflectors are used to provide illumination in a vertical plane, where reflectors used are of the____________.

Q7. Which cells in the eye are responsible for scotopic vision?

Q8.

Potential at every point on the spherical surface is:

Q9. A medium behaves like dielectric when \(_{-------------}\)

Q10. Maxwell's equations involve____________.