Electrostatics

1/2 farad

1 farad

2 farad

3 farad

in straight line

none of others

higher to lower

lower to higher

plate circuits

radio circuits

filter circuits

fiber circuits

magnetic induction

electrostatic induction

chemical induction

capacity

turning the rotatable plates in or out

sliding the plates

changing the plates

changing the nature of plates

repel each other

mix up with each other

attract each other

none of above

electroscope

telescope

endoscope

fiberscope

cancel each other

repel each other

attract each other

none of above

5 × 10⁹ Nm²C^-2

7 × 10⁹ Nm²C^-2

8 × 10⁹ Nm²C^-2

9 × 10⁹ Nm²C^-2

negative charge

positive charge

the central point of both charges

all of above