ÌâÄ¿ÄÚÈÝ
ÈçͼËùʾ£¬ÊÇСǿºÍС»ªÁ½Î»Í¬Ñ§×ö¡°Óû¬¶¯±ä×èÆ÷¸Ä±äµçÁ÷¡±ÊµÑéʱÁ¬½ÓµÄµç·£®ÆäÖУ¬Ð¡µÆÅÝÁ½¶ËµÄµçѹ²»Äܳ¬¹ý2.5V£¬Í¨¹ýµÄµçÁ÷²»µÃ³¬¹ý0.3A£»»¬¶¯±ä×èÆ÷±êÓС°20 ¦¸¡¢1A¡±×ÖÑù£®
£¨1£©»¬¶¯±ä×èÆ÷Éϱê×Å¡°20 ¦¸¡¢1A¡±µÄº¬ÒåÊÇ _________ £»
£¨2£©Ð¡Ç¿Í¬Ñ§Õý×¼±¸±ÕºÏ¿ª¹ØʵÑéʱ£¬Ð¡»ªÍ¬Ñ§·¢ÏÖʵÑéµç·Á¬½Ó´æÔÚ´íÎó»ò²»Ç¡µ±Ö®´¦£¬¼°Ê±×èֹСǿµÄ²Ù×÷£®ÇëÄãÖ¸³öµç·Á¬½ÓµÄ´íÎó»ò²»Ç¡µ±Ö®´¦£º
a£® _________ £»b£® _________ £»c£® _________ £®
£¨1£©»¬¶¯±ä×èÆ÷Éϱê×Å¡°20 ¦¸¡¢1A¡±µÄº¬ÒåÊÇ _________ £»
£¨2£©Ð¡Ç¿Í¬Ñ§Õý×¼±¸±ÕºÏ¿ª¹ØʵÑéʱ£¬Ð¡»ªÍ¬Ñ§·¢ÏÖʵÑéµç·Á¬½Ó´æÔÚ´íÎó»ò²»Ç¡µ±Ö®´¦£¬¼°Ê±×èֹСǿµÄ²Ù×÷£®ÇëÄãÖ¸³öµç·Á¬½ÓµÄ´íÎó»ò²»Ç¡µ±Ö®´¦£º
a£® _________ £»b£® _________ £»c£® _________ £®
£¨1£©»¬¶¯±ä×èÆ÷µÄ±ä×跶ΧÊÇ0¡«20 ¦¸¡¢ÔÊÐíͨ¹ýµÄ×î´óµçÁ÷ÊÇ1A£»
£¨2£©Ñ¡ÔñµçÁ÷±íµÄÁ¿³ÌÌ«´ó£»µçÁ÷±íÕý¸º½ÓÏßÖù½Ó·´£»»¬¶¯±ä×èÆ÷µÄ»¬Æ¬Î´·ÅÔÚ×èÖµ×î´óλÖã®
£¨2£©Ñ¡ÔñµçÁ÷±íµÄÁ¿³ÌÌ«´ó£»µçÁ÷±íÕý¸º½ÓÏßÖù½Ó·´£»»¬¶¯±ä×èÆ÷µÄ»¬Æ¬Î´·ÅÔÚ×èÖµ×î´óλÖã®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿