Potential Energy
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359478 A point charge \(q\) moves from point \(P\) to point \(S\) along the path \(PQRS\). In a uniform electric field \(E\) pointing parallel to the positive direction of the \(X\)-axis. The coordinates of points \(P\),\(Q\),\(R\) and \(S\) are \((a,b,0),(2a,0,0)(a, - b,0)\& (0,0,0)\) respectively. Find the work done by the field in the above process
supporting img

1 \( - qEa\)
2 \(qEa\)
3 \(qEb\)
4 \( - qEb\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359479 On rotating a point charge \(q\) around a charge \(Q\) in a circle of radius \(r\). The work done will be

1 \(\frac{Q}{{2{\varepsilon _0}r}}\)
2 \(q \times 2\pi \)
3 \({\rm{Zero}}\)
4 \(\frac{{q \times 2\pi Q}}{r}\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359480 An electron enters in high potential region \({V_2}\) from lower potential region \({V_1}\) then its velocity

1 Will change in direction but not in magnitude
2 No change in direction
3 Will increase
4 Change in direction perpendicular to field
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359481 Three charges, each \(+q\), are placed at the corners of an isosceles triangle \(A B C\) of sides \(B C\) and \(A C, 2 a\). \(D\) and \(E\) are the midpoints of \(B C\) and \({\rm{ }}CA\). The work done in taking a charge \(Q\) from \(D\) to \(E\) is
supporting img

1 \(\dfrac{3 q Q}{8 \pi \varepsilon_{0} a}\)
2 \(\dfrac{q Q}{4 \pi \varepsilon_{0} a}\)
3 zero
4 \(\dfrac{3 q Q}{4 \pi \varepsilon_{0} a}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359478 A point charge \(q\) moves from point \(P\) to point \(S\) along the path \(PQRS\). In a uniform electric field \(E\) pointing parallel to the positive direction of the \(X\)-axis. The coordinates of points \(P\),\(Q\),\(R\) and \(S\) are \((a,b,0),(2a,0,0)(a, - b,0)\& (0,0,0)\) respectively. Find the work done by the field in the above process
supporting img

1 \( - qEa\)
2 \(qEa\)
3 \(qEb\)
4 \( - qEb\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359479 On rotating a point charge \(q\) around a charge \(Q\) in a circle of radius \(r\). The work done will be

1 \(\frac{Q}{{2{\varepsilon _0}r}}\)
2 \(q \times 2\pi \)
3 \({\rm{Zero}}\)
4 \(\frac{{q \times 2\pi Q}}{r}\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359480 An electron enters in high potential region \({V_2}\) from lower potential region \({V_1}\) then its velocity

1 Will change in direction but not in magnitude
2 No change in direction
3 Will increase
4 Change in direction perpendicular to field
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359481 Three charges, each \(+q\), are placed at the corners of an isosceles triangle \(A B C\) of sides \(B C\) and \(A C, 2 a\). \(D\) and \(E\) are the midpoints of \(B C\) and \({\rm{ }}CA\). The work done in taking a charge \(Q\) from \(D\) to \(E\) is
supporting img

1 \(\dfrac{3 q Q}{8 \pi \varepsilon_{0} a}\)
2 \(\dfrac{q Q}{4 \pi \varepsilon_{0} a}\)
3 zero
4 \(\dfrac{3 q Q}{4 \pi \varepsilon_{0} a}\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359478 A point charge \(q\) moves from point \(P\) to point \(S\) along the path \(PQRS\). In a uniform electric field \(E\) pointing parallel to the positive direction of the \(X\)-axis. The coordinates of points \(P\),\(Q\),\(R\) and \(S\) are \((a,b,0),(2a,0,0)(a, - b,0)\& (0,0,0)\) respectively. Find the work done by the field in the above process
supporting img

1 \( - qEa\)
2 \(qEa\)
3 \(qEb\)
4 \( - qEb\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359479 On rotating a point charge \(q\) around a charge \(Q\) in a circle of radius \(r\). The work done will be

1 \(\frac{Q}{{2{\varepsilon _0}r}}\)
2 \(q \times 2\pi \)
3 \({\rm{Zero}}\)
4 \(\frac{{q \times 2\pi Q}}{r}\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359480 An electron enters in high potential region \({V_2}\) from lower potential region \({V_1}\) then its velocity

1 Will change in direction but not in magnitude
2 No change in direction
3 Will increase
4 Change in direction perpendicular to field
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359481 Three charges, each \(+q\), are placed at the corners of an isosceles triangle \(A B C\) of sides \(B C\) and \(A C, 2 a\). \(D\) and \(E\) are the midpoints of \(B C\) and \({\rm{ }}CA\). The work done in taking a charge \(Q\) from \(D\) to \(E\) is
supporting img

1 \(\dfrac{3 q Q}{8 \pi \varepsilon_{0} a}\)
2 \(\dfrac{q Q}{4 \pi \varepsilon_{0} a}\)
3 zero
4 \(\dfrac{3 q Q}{4 \pi \varepsilon_{0} a}\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359478 A point charge \(q\) moves from point \(P\) to point \(S\) along the path \(PQRS\). In a uniform electric field \(E\) pointing parallel to the positive direction of the \(X\)-axis. The coordinates of points \(P\),\(Q\),\(R\) and \(S\) are \((a,b,0),(2a,0,0)(a, - b,0)\& (0,0,0)\) respectively. Find the work done by the field in the above process
supporting img

1 \( - qEa\)
2 \(qEa\)
3 \(qEb\)
4 \( - qEb\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359479 On rotating a point charge \(q\) around a charge \(Q\) in a circle of radius \(r\). The work done will be

1 \(\frac{Q}{{2{\varepsilon _0}r}}\)
2 \(q \times 2\pi \)
3 \({\rm{Zero}}\)
4 \(\frac{{q \times 2\pi Q}}{r}\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359480 An electron enters in high potential region \({V_2}\) from lower potential region \({V_1}\) then its velocity

1 Will change in direction but not in magnitude
2 No change in direction
3 Will increase
4 Change in direction perpendicular to field
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359481 Three charges, each \(+q\), are placed at the corners of an isosceles triangle \(A B C\) of sides \(B C\) and \(A C, 2 a\). \(D\) and \(E\) are the midpoints of \(B C\) and \({\rm{ }}CA\). The work done in taking a charge \(Q\) from \(D\) to \(E\) is
supporting img

1 \(\dfrac{3 q Q}{8 \pi \varepsilon_{0} a}\)
2 \(\dfrac{q Q}{4 \pi \varepsilon_{0} a}\)
3 zero
4 \(\dfrac{3 q Q}{4 \pi \varepsilon_{0} a}\)