Question

_____ is a device

which increases or decreases voltage.
Iron
core
Electricity Primary
Coil
(input)
Secondary Electricity
Coil
in
out
(output)
100 V
10 A
1000 W
static charge
charges
transformer
force field
Primary
55 turns
Secondary
20 turns
Core
400 V
2.5 A
1000 W

Answer 1

transformers

Step-by-step explanation:

A transformer is a device that increases or decreases voltage.