A point charge Q is placed at the point O as shown in Fig. Is the potential difference `(V)_(A) - V_(B))` positive, negative or zero if Q is (i) positive (ii) negative ?

In the part of a circuit shown in fig. 5.266, the potential difference (V_G - V_H) between points G and H will be

Find the potential difference V_(A)- V_(B) between points A and B of the circuit shown in figure.

Positive and negative charges of 1 muC each are placed at two points as shown in the figure. Find the potential difference between A and B

An infinitely long line of linear charge density lambda is shown in the figure. The potential difference V_(A)-V_(B) between the two points A and B is

Assertion:A point charge q is placed near an arbitrary shaped solid conductor as shown in figures.The potential difference between the points A and B within the conductor remain same irrespective of the magnitude of charge q Reason: The electric field inside a solid conductor is zero under electrostatic conditions

Find the potential difference V_(a)-V_(b) between the points (1) and (2) shown in each part of Fig.

Figures (a) and (b) show the field lines of a positive and negative point charge respectively. (a) Give the signs of the potential difference V_(P)-V_(Q), V_(B)-V_(A) . (b) Give the sign of the potential energy difference of a small negative charge between the points Q and P, A and B. (c) Give the sign of the work done by the field in moving a small positive charge from Q to P. (d) Give the sign of the work done by the external agency in moving a small negative charge from B to A. (e) Does the kinetic energy of a small negative charge increase or decrease in going from B to A?

Determine the potential difference V_(A)-V_(B) between point A and B of the circuit shown in figure . Under what condition is it equal to zero ?

Find the potential difference V_(a)-V_b , between the points a and b shown in each part of the figure.

P - V diagram of a cyclic process ABCA is as shown in Fig. Choose the correct alternative (A) Delta Q_(ArarrB)= negative (B) Delta U_(BrarrC)= positive (C) DeltaU_(CrarrA)= negative (D) DeltaW_(CAB)= negative