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Question Detail
When frequency is 50Hz, angular velocity is
Options
Option A: 50
Option B: 3.14
Option C: 314
Option D: 100
Correct Answer
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<p>314</p>
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Solution & Explanation
{"type":"math","methodBadge":"Direct Formula","given":"Frequency f = 50Hz","formulaUsed":"$$\\omega = 2\\pi f$$","steps":[{"title":"Determine the angular velocity formula","explanation":"The angular velocity \\(\\omega\\) is found using the formula that relates frequency and angular velocity.","highlight":"$$\\omega = 2\\pi f$$"},{"title":"Substitute the given frequency","explanation":"Substituting the value \\(f = 50\\,Hz\\) into the formula gives us \\(\\omega = 2\\pi \\times 50\\).","highlight":"$$\\omega = 2\\pi \\times 50$$"},{"title":"Calculate using the value of \\(\\pi\\)","explanation":"Using \\(\\pi \\approx 3.14\\), we calculate \\(\\omega = 2 \\times 3.14 \\times 50\\).","highlight":"$$\\omega = 2 \\times 3.14 \\times 50$$"},{"title":"Perform the multiplication","explanation":"Calculating the multiplication gives us \\(\\omega = 314\\).","highlight":"$$\\omega = 314$$"}],"answer":"C is correct because when frequency is 50Hz, the calculated angular velocity is 314 rad/s.","coreConcepts":["Frequency","Angular Velocity","Trigonometric Functions"],"crossTopicTip":"Understanding the relationship between frequency and angular velocity is crucial for topics in both electrical engineering and harmonic motion."}