Physics
Magnetic-Effects-Of-Current-And-Magnetism
Easy
Question
OABC is a current carrying square loop an electron is projected from the centre of loop along its diagonal AC as shown. Unit vector in the direction of initial acceleration will be
The correct answer is:
q = e; Let 'x' be the side length of square loop. 
Current direction will be in the opposite direction of e- motion.
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physics-General
