Considering a group of positive charges, which of the following statements is correct? [2023]

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Solution

Q.
Considering a group of positive charges, which of the following statements is correct [2023]

1 Net potential of the system cannot be zero at a point but net electric field can be zero at that point.

2 Net potential of the system at a point can be zero but net electric field can't be zero at that point.

3 Both the net potential and the net field can be zero at a point.

4 Both the net potential and the net electric field cannot be zero at a point.

Ans.
(1)

$V = \frac{\sum K Q_{i}}{r_{i}}$

$Here, Q_{i} and r_{i} are positive$

$∴$ $V > 0$

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Solution

Q. Considering a group of positive charges, which of the following statements is correct [2023]

1 Net potential of the system cannot be zero at a point but net electric field can be zero at that point.

2 Net potential of the system at a point can be zero but net electric field can't be zero at that point.

3 Both the net potential and the net field can be zero at a point.

4 Both the net potential and the net electric field cannot be zero at a point.

Ans. (1) V=∑KQiri Here, Qi and ri are positive ∴ V>0

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Q.
Considering a group of positive charges, which of the following statements is correct [2023]

Ans.
(1)

$V = \frac{\sum K Q_{i}}{r_{i}}$

$Here, Q_{i} and r_{i} are positive$

$∴$ $V > 0$