- (A) 6.23%
- (B) 8.23%
- (C) 10.23%
- (D) 12.23%
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A constant current is sent through a helical coil. The coil:
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A feather and a lead ball are dropped from rest in vacuum on the moon. The acceleration of the feather is:
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Light from some stars shows an apparent change in frequency because of:
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The physical quantity ‘’Impulse’’ has the same dimensions as that of:
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