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Q12: A rigid rectangular loop,which measures 0.30 m
Q18: The capacitance per unit length of a
Q19: A long straight conductor has a constant
Q23: When a certain metal is illuminated by
Q29: A cylindrical capacitor is made of two
Q80: A light beam from a 2.1-mW He-Ne
Q110: A shell explodes into two fragments,one fragment
Q701: A dog is standing in the bed
Q1089: The position of an object as a
Q1132: In order to lift a bucket of