Задача id16986

The lower plate of the flat capacitor lies on the insulating plate, the upper one is grounded through the balance (Fig. 24.20). The scales are balanced. What weight should be placed on the left pan of the scale to maintain balance if a potential difference of 5000 V is created between the plates? The distance between the plates is 5 mm, the plate area is 80 cm2.

Answer. Format gif