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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.
1000 words
In the experiment, under which of the following circumstances is the angular momentum L of the movable puck NOT conserved? a) The net torque = 0. b) The radius r is always perpen
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What are the main types of laser? Types of lasers are as illustrated below: a. Solid State lasers b. Raman laser c. Semiconductor lasers d. Dye lasers e. Gaseous
purpose of using Maxwell''s corkscrew rule
The force applied at A is P30 Newton's, and P31 and P32 are dimensions in mm. A mechanic uses his left hand to support the wrench at point B. Determine the upward force required a
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As shown in the figure below, a source at S is sending out a spherical wave: E 1 =(A ×D/r) cos( wt-2πr/ λ) ; where r is the distance to source S. In addition, there is anoth
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