Electro Magnetic Induction And Alternating Currents Question 97
Question: In a circuit, the value of the alternating current is measured by hot wire ammeter as 10 ampere. Its peak value will be [MP PET 1996; AMU (Med.) 1999; KCET (Engg./Med.) 2000; CPMT 2003]
Options:
A) 10 A
B) 20 A
C) 14.14 A
D) 7.07 A
Show Answer
Answer:
Correct Answer: C
Solution:
Hot wire ammeter reads rms value of current. Hence its peak value $ =i_{rms}\times \sqrt{2}=14.14\ amp $
