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Scalars and the Need for Vectors

An eletric fi...

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An eletric field of 20N/C exists along the X-axis in space .calculate the potential difference Vb-Va where the points A and B are given by a)A= (0,0);B=(4m,2m) b) A=(0,0);B=(6m,5m

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Q. An electric field of

20 N C^{- 1}

exists along the x-axis in space. Calculate the potential difference

V_{B} - V_{A}

where the points A and B are given by,
(a)

A = (0, 0); B = (4 m, 2 m)

A = (4 m, 2 m); B = (6 m, 5 m)

A = (0, 0); B = (6 m, 5 m)

.
Do you find any relation between the answers of parts (a), (b) and (c)?

Q. An electric field of 20 NC⁻¹ exists along the x-axis in space. Calculate the potential difference V_B − V_A where the points A and B are
(a) A = (0, 0); B = (4 m, 2m)
(b) A = (4 m, 2 m); B = (6 m, 5 m)
(c) A = (0, 0); B = (6 m, 5 m)
Do you find any relation between the answers of parts (a), (b) and (c)?

An electric field of

20 N C^{- 1}

exists along the x-axis in space. Calculate the potential difference

V_{B} - V_{A}

where the points A and B are given by,

A = (0, 0); B = (4 m, 2 m)

- 2.0 \times 10^{- 4}

C is moved from the point A to the point B. Find the change in electrical potential energy

U_{B} - U_{A}

Q. A uniform electric field of

20

^{- 1}

exists along the x-axis in space. The potential difference V

_{B} -

_{A}

for the point A

=

(4 m, 2 m)

=

(6 m, 5 m)

Q. An electric field exists in space as

\to E = 2 \to i + 3 \to j + 0 \to k

. Find the potential difference

(V_{A} - V_{B})

A (2, 2, 0)

B (1, 1, 0)

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