A. Increase B. Decrease C. Infinite D. Zero
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A. It helps him to gain energy B. It helps to apply large force C. It gives him larger amount of inertia D. To increase reaction forces
A. Velocity B. Momentum C. Kinetic energy D. Acceleration
A. Copper B. Arsenic C. Gold D. Silver
A. Both free electrons and holes B. Neither free electrons nor holes C. Free electrons only D. Free holes only
A. Silver B. Arsenic C. Gold D. Indium
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A. Its mass B. Gravity C. Friction of air D. Tension in the string
A. Electrons flow inside and holes flow outside B. Holes flow inside and electrons flow outside C. Holes flow inside as well as outside D. Electrons flow inside as well as outside
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A. Diamond B. Graphite C. Fools gold D. Rock salt
A. Ball and roller bearing B. Lubrication C. Polishing D. All of the above