the total magnetic flux through a coil changes from 12 to 87 webers in one milli
ID: 1404129 • Letter: T
Question
the total magnetic flux through a coil changes from 12 to 87 webers in one millisecond, resulting in a 513 A current. what is the resistance of the wire coil?Ans! 150 ohms
Please show a step by step solution. Thank-you! the total magnetic flux through a coil changes from 12 to 87 webers in one millisecond, resulting in a 513 A current. what is the resistance of the wire coil?
Ans! 150 ohms
Please show a step by step solution. Thank-you! the total magnetic flux through a coil changes from 12 to 87 webers in one millisecond, resulting in a 513 A current. what is the resistance of the wire coil?
Ans! 150 ohms
Please show a step by step solution. Thank-you!
Explanation / Answer
Emf Generated due to change in magnetic flux is given by Faraday's Law = - N / t
Where ,
= Change in Magnetic Flux = 87 -12 wb
t = Change in time = 1 * 10^-3 s
Let assume no of turns in coil (N) = 1
V = - (87-12)/1 * 10^-3
V = 75 *10^3 v
We knwo , V = I * R
R = V/I
R = 75 *10^3 / 513
R = 146.19 Ohm
Resistance of a wire R = 146.19 Ohm
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