+91-87964 74404
FlagBACK
Question icon
Grade 12Electromagnetic Induction

The time required for a 50 hertz sinusoidal alternating current to change its value from zero to The RMS value will be

Profile image of Devansh
8 Years agoGrade 12
Answers icon

2 Answers

Profile image of Arun
8 Years ago
2.5 mili secondf = 50 Hz I = I base 0 Sin Wt Peak value I = I base 0/√2 I base 0/√2 = I base 0 Sin Wt ⇒ I base 0/√2 Sin Wt = Sin π/4 ⇒ π/4 = Wt. or, t = π/400 = π/4 * 2πf = 1/8f = 1/8 * 50 = 0.0025 s =
Profile image of Arun
8 Years ago
f = 50 Hz I = I base 0 Sin Wt Peak value I = I base 0/√2 I base 0/√2 = I base 0 Sin Wt ⇒ I base 0/√2 Sin Wt = Sin π/4 ⇒ π/4 = Wt. or, t = π/400 = π/4 * 2πf = 1/8f = 1/8 * 50 = 0.0025 s = 2.5 ms

Other Related Questions on electromagnetic induction

question mark
How to get expertise in Class 10 science this year and get preparation for boardexam
electromagnetic induction
1 Answer Available

Last Activity: 4 Years ago

question mark
AB is a current carrying conductor in the plane of the paper as shown in the figure below. (i) What is the direction of the magnetic field produced by it at point ‘X’? Write the statement of the rule used to find the direction of field lines. (ii) If the polarity of the battery connected to the wire is reversed, how would the direction of the magnetic field be changed? (iii) Point ‘X’ is at a distance r1 and point ‘Y’ is at a distance r2 (r1
electromagnetic induction
1 Answer Available

Last Activity: 4 Years ago

question mark
formula of c in curies temperature please ansewr i am waiting for the answer
 
electromagnetic induction
1 Answer Available

Last Activity: 4 Years ago

question mark
For minimum flux the angle between the magnetic field and normal to the surface is
electromagnetic induction
1 Answer Available

Last Activity: 4 Years ago

question mark
What is the de Broglie wavelength ( in am) associated with an electron subjected to a potential difference of 54 volt
electromagnetic induction
1 Answer Available

Last Activity: 4 Years ago