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b
Explanation: The dipole moment of charge 2C and distance 2cm will be,
M = Q x d. Thus, M = 2 x 0.02 = 0.04 C-m.
The dipole moment ((p)) is calculated using the formula:
[p = q times d]
where (q) is the magnitude of the charge and (d) is the separation distance between the charges.
Given:
– (q = 2C) (Note: In a real-world context, a charge of 2 Coulombs is extremely large for discussions of dipole moments, suggesting this might be a hypothetical question for illustrative purposes.)
– (d = 2cm = 0.02m) (It’s important to convert distance to meters in the SI system for consistency.)
Substituting the given values into the formula:
[p = 2C times 0.02m = 0.04 Ccdot m]
So, the dipole moment of the dipole is (0.04) Coulomb-meter ((Ccdot m)).