IndiaBIX

Electronics and Communication Engineering - Measurements and Instrumentation - Discussion

Discussion Forum : Measurements and Instrumentation - Section 2 (Q.No. 31)
Measurements and Instrumentation
31.
Consider the following operation in respect of Wheatstone bridge (Kb, denotes battery key, Kg denotes galvanometer key)
  1. open Kb
  2. close Kg
  3. close Kb
  4. open Kg
The correct sequence of operations is
1, 2, 3, 4
3, 1, 2, 4
4, 3, 2, 1
3, 2, 4, 1
Answer: Option
Explanation:

Battery key must be closed before galvanometer key. Moreover galvanometer key must be opened before battery key. This is to avoid damage to galvanometer.

Discussion:
Be the first person to comment on this question !
Post your comments here:

Your comments will be displayed after verification.

Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers