derive an equation for the couple acting onan electrionic dipole in a uniform electrionic field
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It's direction is from –q to +q along the axis of dipole. (4) It is placed in a uniform electric field E, making an angle θ with field direction as shown in fig. (5) Due to electric field force on +q is F = +qE and force on –q is F = –qE. (6) These two equal and opposite charges constitute torque or moment of couple.
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It's direction is from –q to +q along the axis of dipole. (4) It is placed in a uniform electric field E, making an angle θ with field direction as shown in fig. (5) Due to electric field force on +q is F = +qE and force on –q is F = –qE. (6) These two equal and opposite charges constitute torque or moment of couple.
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