一、填空题1．判断电流的大小可以根据电流通过导体时产生的＿的大小来判定．电流通过电灯泡时，产生的是____．2____用电流强度表示，电流强度等于____、通过导体____的电量，国际上通常用字母____表示．3使用电流表测电路的电流时，必须把它____联在电路里，接入电路前要选择 First, fill in the blank 1. The magnitude of the current can be judged based on the size of the _ generated when the current passes through the conductor. When the current passes through the light bulb, the resulting ____. 2____ is expressed by the current intensity, the current intensity is equal to ____, and the quantity of electricity passing through the conductor ____ is commonly represented by the letter ____ internationally. 3 When using the current meter to measure the current of the circuit, it must be connected to the circuit, before selecting the circuit