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

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keep voltage current same and keep wire of differnet lenght and take resistance
i wrote k take one reading without the wire and find resistance of basic circuit components.. then take reading with wire.. repaet thrice to eliminate error...:confused:
 
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in the same wave ques we were asked to draw the direction of the movement of a wave particle at the crest. where x was marked.. do you remember it now?
i forgot to do that part i thought we only have to show x with two waves was these two parts of 1 mark replyy
 

asd

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keep voltage current same and keep wire of differnet lenght and take resistance
Lol how can you keep current same when you change the length of wire? You increase the length of the wire, current itself decreases because resistance increases.
The correct answer was to Take the readings on ammeter and voltmeter for different lengths of wire and calculate the resistance using the equation "V=IR". Tabulate the results.
 
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Lol how can you keep current same when you change the length of wire? You increase the length of the wire, current itself decreases because resistance increases.
The correct answer was to Take the readings on ammeter and voltmeter for different lengths of wire and calculate the resistance using the equation "V=IR". Tabulate the results.
i wrote keep the conditions which were used previously same
 
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