ALOHA❤!!!
ANSWER IT PROPERLY 〽✔
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CLASS 10
CHAPTER : ELECTRICITY
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Answers
HOLA!!!❤〽
ANSWER:-
REFER THE ATTACHMENT✔
By OHM'S law ,
I is directly proportional to V
So, V is independent
As the X-axis contains independent values , it will have potential difference's values.
And Y-axis will have Current's value.
〽CONCEPTS USED :-
⭐OHM'S LAW (I is directly proportional to V)
⭐V=IR
HOPE IT HELPS UHH
GIVEN
The Magnitude of current (I) flowing through a conductor at different potential difference is given below :-
I = 0.5A P.D.= 1.6v
I =1.0A P.D.= 3.4v
I = 2.0A P.D.= 6.7v
I = 3.0A P.D.= 10.2v
I = 4.0A P.D.= 13.2v
TO FIND :- The Resistance and Draw a
V - I Graph.
SOLUTION
Resistance is defence opposition in the characteristic of a metal to oppose the flow of current or electrons through it.
Now, Ohm's Law state that the current flowing through a conductor is directly proportional to the potential difference across its two ends having physical features like temperature and resistivity constant.
From this law we get that,
Resistance = Voltage ÷ Current
=> R = V/I
Here the resistance of the conductor is changing.
To calculate resistance we have to calculate each of them separately,
Case 1
R = V/I = 3.2 ohm
Case 2
R = V/I = 3.4/1.0 = 3.4ohm
Case 3
R = V/I = 6.7/2.0 = 3.35ohm
Case 4
R = V/I = 10.2/3.0 = 3.4ohm
Case 5
R = V/I = 13.2/4.0 = 3.3ohm
Here we can see that resistance is changing hence here variable resistor(Rheostat) is used.
*Graph cannot be straight line in this case. some points will vary.
But we can calculate an average resistance as 3.3ohm.
As it is not given which combination it is(series or parallel) we can't calculate its average resistance.
Graph is given in the attachment
Simply put the points given in the table and get the figure
Taking (I) in one axis and (v) in the other.
