1) Electroplating is based on what effect of electricity? a) Magnetic b) Heating c) Chemical d) Physical 2) The method of charging an object by touching is called _________ a) Induction b) Diffusion c) Conduction d) Current 3) Lighting occurs due to ________ a) Rain b) Humidity c) Electric discharge d) Wind 4) Lighting rods are made of_______ a) Sand paper b) Wood c) Rubber d) Copper 5) Electricity produced on rubbing is _______ a) Electromagnet b) Static electricity c) Current electricity d) None 6) Most common industrial application of chemical effects of electric current is a) Electroplating b) Anodizing c) Charging d) Electroplating e) None 7) The Terminal which is connected to a positive terminal of a battery is called _________ a) Cathode b) Anode c) Neutral d) None 8) Sound cannot travel through ________ a) Solid b) Air c) Liquid d) None e) Vacuum 9) Frequency is denoted in ______ a) Meter b) Second c) Kilolitre d) Hertz e) None 10) Pitch of sound is determined by its _______ a) Amplitude b) Speed c) Frequency d) None

Physics 😎

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？