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AS PHY PRACTICAL 33

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Variable resistors are actually more easy to use. There`s a movable rheostat on the resistor. You start by keeping the rheostat on the right most part and note the Ammeter/Voltmeter reading. Then you move the rheostat to equally by certain distances, and noting the various V & I values. That is ofcourse after setting up the apparatus :)
 
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I hate electricity practicals blah. I'm really hoping somehow first question doesn't even have a graph.
Has it ever happened that a electricity part didn't have a graph?
 
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Exactly ,confirmed. Basically the height of the slope is to be changed.
Not sure about that! As far as I know, you dont have to change the height. Just the distance from which you're dropping the ball!
 
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thank u...
alrite guys...finaly here it is..!
:)
two questions....one electcial other mechanical... electricity one will consist of -Variable Resistor, switch, battery, a sample wire, connecting wires, an ammeter and voltmeter...u willhave to measure the V & I after setting the apparatus after changing resistance of the rheostat on the variable and make a graph using the values....
while the second one has a clamp stand, a marble, stopwatch...u need to slide down a ball from a certain height, note the time.....

simple eh? :p :D
 
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ok guys thanks for the info but here is my question

they include both a wire and a rheostat. why is this so? wouldnt the circuit look weird? you have two ways to vary resistance.
 
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can we write
'difficult to throw the ball and start the timer simultaneously'
and 'use assisstance'
in the limitation and improvement section??
 
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Okay guys.
Physics 33 Tomorrow will have an electricity experiment. And another simple one.
The electricity one will consist of -Variable Resistor, switch, battery, a sample wire, connecting wires, an ammeter and voltmeter. You`d have to measure the V & I after setting the apparatus after changing placing of the rheostat on the variable and most probably make a graph.
The second one has a clamp stand, a banta ( I dunno whats that called in english ). stopwatch. And you need to slide down a ball from a certain height, note the time.
Note : These are not the confirm experiments. However these instruments are confirmed, and probably the experiments will be somewhat the same as above. Don`t ask about the validity, for sure these will be there tomorrow.
Anything on Physics 31 please?
 
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