The principle behind the influence of the power lines on the telephone

1.	The principle behind the influence of the power lines on the telephone lines is _________?
A.	Faraday‚Äö√Ñ√∂‚àö√ë‚àö¬•s laws
B.	Mutual inductance
C.	Self inductance
D.	All of the mentioned
Answer» B. Mutual inductance

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The principle behind the influence of the power lines on the telephone lines is _________?
If the flux linkages are varied sinusoid with current, then what can be concluded about the inductance?
At a 33kV 50 Hz to a bus a load of 35 MW is connected. To improve the power factor to unity a synchronous phase modifier is connected taking 5 MW. If the SPM is represented as delta connected impedance, where in each phase we have capacitor connected parallel to resistance forming RC parallel network, then the value of this resistance is ___________

The principle behind the influence of the power lines on the telephone lines is _________?

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