Potential Energy
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359461 An electron of mass ‘\(M\)’ \(kg\) and charge ‘\(e\)’ coulomb travels from rest through a potential difference of ‘\(V\)’ volt. The final velocity of the electron is (in \(m\)/\(s\))

1 \(\frac{{2eV}}{M}\)
2 \(\frac{{2MV}}{e}\)
3 \(\sqrt {\frac{{2eV}}{M}} \)
4 \(\sqrt {\frac{{2MV}}{e}} \)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359462 A particle of mass 1 \(kg\) & charge \(\frac{1}{3}\mu C\) is projected towards a non-conducting fixed spherical having the same charge uniformly distributed on its surface. Find the minimum initial velocity of projection required so that the particle just grazes the shell:
supporting img

1 \(\frac{2}{3}m/s\)
2 \(\sqrt {\frac{2}{3}} m/s\)
3 \(2\sqrt {\frac{2}{3}} m/s\)
4 None of these
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359463 There is an electric field \(E\) in \(x\)-direction. If the work done in moving a charge of \(0.2\,C\) through a distance of \(2\,m\) along a line making an angle of \(60^{\circ}\) with \(x\)-axis is \(4\,J\), the value of \(E\) is :

1 \(2\sqrt 3 \,N{\rm{/}}C\)
2 \(5\,N{\rm{/}}C\)
3 \(4\,N{\rm{/}}C\)
4 \(20\,N{\rm{/}}C\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359464 The work done in bringing a 20 coulomb charge from point \(A\) to point \(B\) for distance 0.2 \(m\) is 2 \(J\). The potential difference between the two points will be (in volt):

1 \(8\)
2 \(0.2\)
3 \(0.4\)
4 \(0.1\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359461 An electron of mass ‘\(M\)’ \(kg\) and charge ‘\(e\)’ coulomb travels from rest through a potential difference of ‘\(V\)’ volt. The final velocity of the electron is (in \(m\)/\(s\))

1 \(\frac{{2eV}}{M}\)
2 \(\frac{{2MV}}{e}\)
3 \(\sqrt {\frac{{2eV}}{M}} \)
4 \(\sqrt {\frac{{2MV}}{e}} \)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359462 A particle of mass 1 \(kg\) & charge \(\frac{1}{3}\mu C\) is projected towards a non-conducting fixed spherical having the same charge uniformly distributed on its surface. Find the minimum initial velocity of projection required so that the particle just grazes the shell:
supporting img

1 \(\frac{2}{3}m/s\)
2 \(\sqrt {\frac{2}{3}} m/s\)
3 \(2\sqrt {\frac{2}{3}} m/s\)
4 None of these
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359463 There is an electric field \(E\) in \(x\)-direction. If the work done in moving a charge of \(0.2\,C\) through a distance of \(2\,m\) along a line making an angle of \(60^{\circ}\) with \(x\)-axis is \(4\,J\), the value of \(E\) is :

1 \(2\sqrt 3 \,N{\rm{/}}C\)
2 \(5\,N{\rm{/}}C\)
3 \(4\,N{\rm{/}}C\)
4 \(20\,N{\rm{/}}C\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359464 The work done in bringing a 20 coulomb charge from point \(A\) to point \(B\) for distance 0.2 \(m\) is 2 \(J\). The potential difference between the two points will be (in volt):

1 \(8\)
2 \(0.2\)
3 \(0.4\)
4 \(0.1\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359461 An electron of mass ‘\(M\)’ \(kg\) and charge ‘\(e\)’ coulomb travels from rest through a potential difference of ‘\(V\)’ volt. The final velocity of the electron is (in \(m\)/\(s\))

1 \(\frac{{2eV}}{M}\)
2 \(\frac{{2MV}}{e}\)
3 \(\sqrt {\frac{{2eV}}{M}} \)
4 \(\sqrt {\frac{{2MV}}{e}} \)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359462 A particle of mass 1 \(kg\) & charge \(\frac{1}{3}\mu C\) is projected towards a non-conducting fixed spherical having the same charge uniformly distributed on its surface. Find the minimum initial velocity of projection required so that the particle just grazes the shell:
supporting img

1 \(\frac{2}{3}m/s\)
2 \(\sqrt {\frac{2}{3}} m/s\)
3 \(2\sqrt {\frac{2}{3}} m/s\)
4 None of these
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359463 There is an electric field \(E\) in \(x\)-direction. If the work done in moving a charge of \(0.2\,C\) through a distance of \(2\,m\) along a line making an angle of \(60^{\circ}\) with \(x\)-axis is \(4\,J\), the value of \(E\) is :

1 \(2\sqrt 3 \,N{\rm{/}}C\)
2 \(5\,N{\rm{/}}C\)
3 \(4\,N{\rm{/}}C\)
4 \(20\,N{\rm{/}}C\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359464 The work done in bringing a 20 coulomb charge from point \(A\) to point \(B\) for distance 0.2 \(m\) is 2 \(J\). The potential difference between the two points will be (in volt):

1 \(8\)
2 \(0.2\)
3 \(0.4\)
4 \(0.1\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359461 An electron of mass ‘\(M\)’ \(kg\) and charge ‘\(e\)’ coulomb travels from rest through a potential difference of ‘\(V\)’ volt. The final velocity of the electron is (in \(m\)/\(s\))

1 \(\frac{{2eV}}{M}\)
2 \(\frac{{2MV}}{e}\)
3 \(\sqrt {\frac{{2eV}}{M}} \)
4 \(\sqrt {\frac{{2MV}}{e}} \)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359462 A particle of mass 1 \(kg\) & charge \(\frac{1}{3}\mu C\) is projected towards a non-conducting fixed spherical having the same charge uniformly distributed on its surface. Find the minimum initial velocity of projection required so that the particle just grazes the shell:
supporting img

1 \(\frac{2}{3}m/s\)
2 \(\sqrt {\frac{2}{3}} m/s\)
3 \(2\sqrt {\frac{2}{3}} m/s\)
4 None of these
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359463 There is an electric field \(E\) in \(x\)-direction. If the work done in moving a charge of \(0.2\,C\) through a distance of \(2\,m\) along a line making an angle of \(60^{\circ}\) with \(x\)-axis is \(4\,J\), the value of \(E\) is :

1 \(2\sqrt 3 \,N{\rm{/}}C\)
2 \(5\,N{\rm{/}}C\)
3 \(4\,N{\rm{/}}C\)
4 \(20\,N{\rm{/}}C\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359464 The work done in bringing a 20 coulomb charge from point \(A\) to point \(B\) for distance 0.2 \(m\) is 2 \(J\). The potential difference between the two points will be (in volt):

1 \(8\)
2 \(0.2\)
3 \(0.4\)
4 \(0.1\)