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Q19: Soft iron, copper, and silver make good
Q23: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt=" A) 3 B)
Q48: If the voltage applied to a circuit
Q48: The speed of movement of the coil
Q56: If four 100 W lamps are connected
Q92: In a certain location, the highest temperature
Q119: 0.52<br>A) 5.2%<br>B) 0.052%<br>C) 52%<br>D) 520%
Q145: -1 ÷ 0.05<br>A) -20<br>B) -9.5<br>C) -0.95<br>D) <img
Q163: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt=" _ _ A)
Q242: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt=" A)