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A 4-ohm and 6-ohm resistor connected in parallel have an equivalent resistance of
Q16: Wood does not have magnetic properties because
Q17: If sunlight were green instead of white,the
Q22: An explosion occurs 34 km away.For sound
Q26: In terms of transferring heat,red-hot wooden coals<br>A)conduct
Q66: Water boils in the mountains at<br>A)a higher
Q74: Current in a conductor can be increased
Q82: When work is done by a system
Q89: Infrared waves are often called heat waves
Q109: A wiggle in time is a<br>A)vibration.<br>B)wave.<br>C)both of
Q117: Magnetism is due to the motion of