Question on: JAMB Physics - 1997
In a meter bridge experiment, two resistor 2\(\Omega\) and 3\(\Omega\) occupy the left and right gaps respectively. Find the balance point from the left side of the bridge
A
20cm
B
40cm
C
60cm
D
80cm
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Correct Option: B
Let the point be x
\(\frac{2}{x}\) = \(\frac{3}{100 - x}\)
making x subject of formula,
2(100 - x) = 3x
200 - 2x = 3x
200 = 3x + 2x
200 = 5x
divide both side by 5
x = 40cm
\(\frac{2}{x}\) = \(\frac{3}{100 - x}\)
making x subject of formula,
2(100 - x) = 3x
200 - 2x = 3x
200 = 3x + 2x
200 = 5x
divide both side by 5
x = 40cm
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