JEE Main · PhysicsEasy
An alternating current is given by the equation $I = 10 \sin(314t)$. What is the frequency of this current in Hertz?
- A.$50 \text{ Hz}$
- B.$100 \text{ Hz}$
- C.$25 \text{ Hz}$
- D.$60 \text{ Hz}$
Show correct answer & step-by-step solution
Correct answer: A — $50 \text{ Hz}$
Solution
The standard form of AC current is . Comparing this, , and since , we get which equals .
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