metallic resistor
carbon resistor
wire wound resistor
variable resistor
8 Ohm
0.125 Ohm
24 Ohm
12.5 Ohm
d=D-(0.97/N)
d=D-P
d=D-(0.97+N)
d=P-D
52 mm
104 mm
200 mm
140 mm
the space that is emptied below the level of mercury column in the tube
the space that is emptied above the level of mercury column in the tube
the space that is full above the level of mercury column in the tube
the space that is full below the level of mercury column in the tube