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# A positive point charge $q$ is carried from a point $B$ to a point $A$ in the electric field of a point charge $+Q$ at O. If the permittivity of free space is $ε_{0}$, the work done in the process is given by (where $a=OA$ and $b=OR$ )

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## Text solutionVerified

$W_{BA}=q(V_{A}−V_{B})=q[4πε_{0}aQ −4πε_{0}bQ ]$

$=4πε_{0}qQ [a1 −b1 ]$

$=4πε_{0}qQ [a1 −b1 ]$

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**LIVE**classesQuestion Text | A positive point charge $q$ is carried from a point $B$ to a point $A$ in the electric field of a point charge $+Q$ at O. If the permittivity of free space is $ε_{0}$, the work done in the process is given by (where $a=OA$ and $b=OR$ ) |

Updated On | Aug 26, 2022 |

Topic | Electrostatic Potential and Capacitance |

Subject | Physics |

Class | Class 12 |

Answer Type | Text solution:1 Video solution: 26 |

Upvotes | 2731 |

Avg. Video Duration | 8 min |