Question

4. Определите время и залог сказуемого

1. The electric motor was invented by B. S. Jakobi in 1834.
2. Any instrument which measures electrical values is called a meter.
3. An ammeter measures the current in amperes.
4. The unit is named after Andre Marie Ampere, a French scientist, who discovered a great number offacts about electricity over a hundred years ago

Answer 1

was invented - Past Simple Passive
measures - Present Simple Active
 is called - Present Simple Passive
 measures - Present Simple Active
is named - Present Simple Passive
 discovered - Past Simple Active