If q is charge on an electron, R is radius of electron orbit and ? is angular ve

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Question
If q is charge on an electron, R is radius of electron orbit and ? is angular velocity of electron rotation, the magnetic dipole moment of electron in orbit is
Options
A. 0.5 q?R
B. 0.5 q²?²R²
C. 0.5 q?R²
D. 0.5 q?²R

Correct Answer

0.5 q?R²

More questions

2. Most of the memory chips in static RAM
Options
A. do not require any supply
B. need 2 V supply
C. need 5 V supply
D. need 12 V supply

6. In a single phase full wave regulator, the firing angles in the positive and negative half cycles are generally
Options
A. equal
B. different
C. equal or different
D. different but sometimes equal

7. The real part of complex dielectric constant and tan? for a dielectric are 2.1 and 5 x 10^-4 at 100 Hz respectively. The imaginary part of dielectric constant at 100 Hz is
Options
A. 1.05 x 10^-3
B. 2.1 x 10^-3
C. 5 x 10^-3
D. 1.05 x 10^-2

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