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This question belongs to Electronics And Communications Engineering Electromagnetic Induction

Electromagnetic Induction

?

A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is

A) 50 ohms B) 500 ohms C) 1000 ohms D) 5000 ohms

Answer & Solution

Correct Answer: Option D

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Question posted by Examveda

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4 Comments

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Aasthick .v 5 years ago

this formula is from chap 7 (I RMS =v naught /xL) xL=v/i=50/10^-2=5000

Krishna Kant 5 years ago

M = -e/rate of change of current or value of given
Current
So, M = 50/5×10^-3
M= 5×10^3=5000 ohms

Stevin Sameer 7 years ago

I=V/XL, xl=v/i=50/(10/1000)=50000/10=5000

Priya Myla 7 years ago

How?

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A coil with negligible resistance has 50V across it with 10...

A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is

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