Answers not matching

I got some serious problems with the answers provided to the following questions-

1. A: The current in RLC circuit driven by a sinusoidal voltage may lead,lag or be in phase with the applied voltage.

R: Series resonance does not imply unity power factor condition

A is true and R is false according to me because at resonance power factor is unity in a series RLC circuit.
The answer given is both true & R not the correct explanation.

2. The earths magnetic field always has a vertical component except at the-

My answer magnetic equator and answer given is geographic north pole

Is tangent galvanometer there in the AIEEE syllabus? Is it not same as the MCG?

2 Answers

1
seoni ·

agree to you for both... where did u find these 'wrong' answers?

1
swordfish ·

in BT question bank

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