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 2 of 2.
Usama Akhtar said:
7 years ago
Q=kd.
100/25=4=k,
Q=4*50=200.
100/25=4=k,
Q=4*50=200.
Nikhil kumar said:
6 years ago
The right answer is 200 coulomb.
(1)
Rajii said:
6 years ago
Please anyone explain it briefly.
Sharon said:
5 years ago
200 is the right answer. Because deflection torque is directly proportional to current.
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