Use:The plane mirror image formation experiment is especially for physics teaching in the middle schools.Structure:The light partly reflects from the plane mirror; forming an image of the actual plast

Use:The plane mirror image formation experiment is especially for physics teaching in the middle schools.Structure:The light partly reflects from the plane mirror; forming an image of the actual plast

This instrument is used in static experiment for checking the variety of charges,measuring the quantity of charges, checking which is positive or negative chargein the objective, and checking the insu

This instrument is used in static experiment for checking the variety of charges, measuring the quantity of charges, checking which is positive or negative charge in the objective, and checking the in

This instrument is used in static experiment for checking the variety of charges, measuring the quantity of charges, checking which is positive or negative charge in the objective, and checking the in

J2121 demonstration block and tackle, J2122 student block and tackleUse:1st, specially feed the physical teaching in the middle school and natural general knowledge discipline in the elementary school

J2121 demonstration block and tackle, J2122 student block and tackleUse:1st, specially feed the physical teaching in the middle school and natural general knowledge discipline in the elementary school

Product Name: Slide RheostatModel Number: J2354Place of Origin: ChinaJ2354-1 slide rheostat:Resistance: 0-20 ± 5%ΩTested current: 2A, bigJ2354-2 slide rheostat:Resistance: 0-20 ± 5%]

J2354-1 slide rheostat:Resistance: 0-20 ± 5%ΩTested current: 2A, bigJ2354-2 slide rheostat:Resistance: 0-20 ± 5%ΩTested current: 2A, smallJ2354-3 slide rheostat:Resistance: 0-50 &#