Question
Physics Question on Electric Current
Instantaneous current in a circuit is i(t)=[6+54sin(2π+π/3)] A RMS value of current is
A
2 √6 A
B
7A
C
3 √7 A
D
6 √2 A
Answer
3 √7 A
Explanation
Solution
The correct answer is option (C) : 3 √7 A
Instantaneous current in a circuit is i(t)=[6+54sin(2π+π/3)] A RMS value of current is
2 √6 A
7A
3 √7 A
6 √2 A
3 √7 A
The correct answer is option (C) : 3 √7 A