Questions 3

No3. Slope = 2.8/0.9= 3.11= 3 ohmsA^-

1.Intercept on the horizontal axis = 0.2

Two Precautions:

(i) I avoided error of parallex.

(ii) I made sure there was no lost of current from the cell3.

ELECTRICITY TABLE: S/N| R |I(A) |I^-

1(A^-1) 1 | 1 |3.00|0.30 2 | 2 |1.50|0.

70 3 | 3 |1.00|1.00 4 | 4 |0.75|1.30 5

| 5 |0.60|1.70 6 | 6 |0.50|2.00.

No3. Slope =2.8/0.9 = 3.11 = 3 ohmsA^-

1. Intercept on the horizontal axis = 0.2

Two Precautions:

(i) I avoided error of parallex.

(ii) I made sure there was no lost of current from the cell

NO1 TABLE:S/N| M(g)| d(cm) | d^-|1 |30.

00|40.00|0.0252 |40.00|32.00|0.

033 |50.00|25.00|0.044 |60.00|21.

00|0.0485 |70.00|17.00|0.0566 |80.

00|15.30|0.065

[1axii]PRECAUTIONS:

(i) I ensured that the masses do not rest on any support while doing the experiment.

(ii) I Ensured that i avoided parallax eror while takingthe reading on the meter rule

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1B) center of gravity can be define as the point where resultant weight of a body act upon.

For example the center of gravity of a uniform meter rule is at 50cmmark

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