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physics paper 1,2 ........can we discuus da papper nw?

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yar conventional and electron flow was like this:

-----------------> conventional
<---------------- electron

yeh kaisey ghalat kardia?

And heat was conducted using electrons+atoms vibrating :)

By the way, i only messed up the pressure MCQ. No other mistake !
 
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from the positive terminal of the battery is conventional current, from the negative terminal is electron flow am i right guys?
 
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About the MCQ about current flowing in opposite direction. What was the answer. I think it was B. The Magnetic field lines were concentrated in the center and the flow of those were somewhat upwards...if anyone remebers, because it is difficult for me to explain without drawing.
 
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guys can u please tell me what did u mark for the length of wave in one second? and which direction did u show the X moving?
 
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