Question
Write a low resistance device name which is always connected in series with the device through which the current is to be measured.

Answer

Instrument used to measure electric current is ammeter and Galvanometer both instrument has very low resistance in which Galvanometer has lowest resistance approx zero so it is the various device and the ideal device both instrument are connected in series so that current can be measured.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

What is meant by ‘tropisms’ (or tropic movements)? Explain with an example.
Name the main organs of the human digestive system. Also name the associated glands.
Image
The above figure shows the formation of an image by a lens shown by a thick line.
Analyse the figure and answer the following questions.
A. What is the type of lens used?
B. What is the nature of the image?
C. If the image is formed at a distance of 30 cm from the lens and the image is twice the size of the object, then where is the object placed?
Explain clearly why, a person who has lost the sight of one eye is at a disadvantage compared with the normal person who has two good eyes.
When does a fuse cut off current? How does it do it?
Zinc oxide reacts with carbon, on heating, to form zinc metal and carbon monoxide. Write a balanced chemical equation for this reaction. Name:
  1. Oxidising agent, and
  2. Reducing agent, in this reaction.
What happens when wood is burnt in a limited supply of oxygen? Name the residue left behind after the reaction and state two advantages of using this residue as a fuel over wood.
InMendele′ ev’s Periodic Table the elements were arranged in the increasing order of their atomic masses. However, cobalt with atomic mass of 58.93amu was placed before nickel having an atomic mass of 58.71amu. Give reason for the same.
Write the balanced chemical equation for the following reaction and identify the type of reaction.
Magnesium ribbon is burnt in an atmosphere of nitrogen gas to form solid magnesium nitride.
Write two points of difference in the structures of diamond and graphite.