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Wheatstone Bridge

The figure gi...

Question

The figure gives the electric potential $V$ as a function of distance through five regions on $x -$ axis. Which of the following is true for the electric field $E$ in these regions?

$E_{1} > E_{2} > E_{3} > E_{4} > E_{5}$

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E_{1} = E_{3} = E_{5}

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E_{2} = E_{4} = E_{5} a n d E_{1} < E_{3}

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E_{1} < E_{2} < E_{3} < E_{4} < E_{5}

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Solution

The correct option is B $E_{1} = E_{3} = E_{5}$
As potential gradient is given by,
$E = \frac{- d V}{d x}$

Where, in region $1, 3$ and $5$ gradient are constant i.e. zero so, $E_{1} = E_{3} = E_{5}$

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The figure gives the electric potential V as a function of distance through five regions on x−axis. Which of the following is true for the electric field E in these regions?

The correct option is B E1=E3=E5 As potential gradient is given by, E=−dVdx Where, in region 1, 3 and 5 gradient are constant i.e. zero so, E1=E3=E5

The figure gives the electric potential $V$ as a function of distance through five regions on $x -$ axis. Which of the following is true for the electric field $E$ in these regions?

The correct option is B $E_{1} = E_{3} = E_{5}$
As potential gradient is given by,
$E = \frac{- d V}{d x}$

Where, in region $1, 3$ and $5$ gradient are constant i.e. zero so, $E_{1} = E_{3} = E_{5}$