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A power line with a resistance of 2 ohms has a current of 80 A in it.The power dissipated in the line is
Q8: When thorium (A = 90)emits a beta
Q9: Hydrogen and oxygen molecules in a gas
Q10: The Doppler effect from the back-and-forth motion
Q15: It is difficult to see the roadway
Q23: Which of the following has the longer
Q30: An object that completes 100 vibrations in
Q34: In the periphery of our vision,we are<br>A)more
Q37: Which statement is correct?<br>A)Charge flows in a
Q43: The buoyant force on a rock is
Q69: As monochromatic light passes from air to