In a triad ground rod arrangement, the distance between the rods should be how many times greater than the depth of the rod that's the same size? A. Five B. Two C. Three D. Four

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Q: When a glass rod is rubbed against silk, which of the following statements is true?  a. Electrons…

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Q: Consider two charge Q1 = -1 x 10-6 [C] and Q2 = 9 x 10-6 [C] separated by a distance r = 0.09 [m).…

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Q: What physical phenomenon predominantly contributes to the magentic field of the earth? a. The total…

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A: Given  Mass of block =mass of ball,m=0.2025kg Spring constant k=25N/m x=0.07m

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Q: Write Ohm’s Law.  2. Can one be shocked by touching a wire carrying a very large current with a low…

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Q: 1. Lightning occurs when there is a flow of electric charge (principally electrons) between the…

A: Rate of flow of charge during lightning, i=20,000 C/s Time of flow of charges, t=100 μs=100×10-6 s

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Q: 10. It is one way of showing gravitational field around an object. a. line b. bar c. point d. arrow

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Q: 10.) Given two charges with same magnitude but opposite sign. Which statement is correct? a. The…

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Proper Length

The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.