Define least count, and then determine the least count of your (or someone else's) wristwatch
The least count is the smallest division marked on any measuring instrument. One
second is usually the least count of a wristwatch with a second hand.
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If a positively charged object is brought near a suspended, positively charged object, the suspended object will be
a. repelled. b. charged more. c. discharged. d. attracted.
If the current in a wire is halved, what effect does this have on the electron drift velocity in the wire?
a. It decreases by a factor of two. c. It stays the same. b. It increases by a factor of four. d. It doubles.
A mercury manometer measures a pressure of 200.0 mmHg. What is this pressure in Pa?
A. 19,770 B. 26,660 C. 30,230 D. 36,760 E. 39,600
You feel warm from the Sun at the beach because of heat radiation
a. True b. False Indicate whether the statement is true or false