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Q. How can we increase the current sensitivity of a galvanometer?
The current sensitivity of a galvanometer is able to be increased by
(i) Rising the number of turns
(ii) Rising the magnetic induction
(iii) Rising the area of the coil
(iv) Declining the couple per unit twist of the suspension wire.
1. An ionization chamber is used on Tuesday (T=22°C, P=760mmHg) and then on Wednesday (T=25°C, P=740 mmHg) to monitor the output from an x-ray tube. If the output from the tube is
Write a short (approx. one page) review of the contribution of one of the following people to the historical development of Physics; Aristotle Ibn al-Haytham Ga
investigatory poject class 12
How to find acceleration from succesive speed?
How to drive it?
Illustrate Gibbs - Helmoltz equation. What are its applications? A Heat engine operating between temperatures 300 K and 500 K rejects 6 Kcal of heat to the sink. How much heat i
Object A attracts object B with a gravatational force of 10 newtons from a given distance. If the distance between the two objects is doubled, what is the changed force of attracti
what is the principle of particle detectors ?
VELOCITY: The time rate of change of displacement of a body is known as velocity. It is represented by V ?.
Q. An electron beam is accelerated through a potential difference of 104 volt. Find the de Broglie wavelength. λ = 12.27 A o / √V λ = 12.27 A o / √10 4 = 0.1227
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