Electronics and Communication Engineering - Measurements and Instrumentation - Discussion
Discussion Forum : Measurements and Instrumentation - Section 1 (Q.No. 17)
17.
In a ballistic galvanometer, a charge of 100 μC gives a first swing of 25°. The charge required to cause first swing of 50° is
Answer: Option
Explanation:
swing is proportional to charge.
Discussion:
14 comments Page 1 of 2.
CHANDAN KUMAR SINGH said:
9 years ago
Q = K(THETA).
Therefore, K = 100/25.
Then for 50 DEG Q = 100/25 * 50 = 200 MICRO COULOMB.
Therefore, K = 100/25.
Then for 50 DEG Q = 100/25 * 50 = 200 MICRO COULOMB.
Sharon said:
5 years ago
200 is the right answer. Because deflection torque is directly proportional to current.
Karthik said:
9 years ago
The above solution is it correct for what the question asked?
Briz said:
9 years ago
Swing is proportional to the square of the current.
Salah said:
8 years ago
How the answer is 400? Please explain.
Shyam babu yadav said:
9 years ago
What is the formula for solving this?
Rajii said:
6 years ago
Please anyone explain it briefly.
Yogita goyal said:
9 years ago
I think 200 is the right answer.
Nikhil kumar said:
6 years ago
The right answer is 200 coulomb.
(1)
Aishwarya said:
8 years ago
What is Ballistic galvanometer?
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers