Question

A current of 0.05 Amps supplied by a 3 volt battery ,passes through a resistance wire . what is the resistance of the wire?

Answer 1

formula laga le

Answer:

L.H.S. = x2 – y2

= (p sec θ + q tan θ)2 – (p tan θ + q sec θ)2

= p2 sec θ + q2 tan2 θ + 2 pq sec 2 tan 2 -(p2 tan2 θ + q2 sec2 θ + 2pq sec θ tan θ)

= p2 sec θ + 2 tan2 θ + 2pq sec θ tan θ – p2 tan2 θ – q2 sec θ – 2pq sec θ tan θ

= p2(sec2 θ – tan2 θ) – q2(sec?2 θ – tan2 θ) =

= p2 – q2 …[sec2 θ – tan2 θ = 1

= R.H.S.hii

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Answer 2

Answer:

It was found out by Pasteur, first of all, that anthrax could not be had by a cow twice. ... When the news was spread that a cure for anthrax had been discovered by Pasteur, letters were written to him by hundreds of people for supplies of 'vaccine'. 8. The young boy was inoculated with some weak rabies germs by Pasteur