Question

Which of the following does not show the correct link
between physics and technology?
(1) Photocell
Photoelectric effect
(2) Optical fibres
Total internal reflection of light
Fusion test
(3)
reactor
Magnetic confinement of
plasma
(4) Rocket propulsion Archimedes' principle​

Answer 1

Answer:

Option c

Explanation:

A reactor is a coil which has large number of turns and whose ohmic resistance value is much greater. Reactors are used to limit the short circuit currents which can cause damage to the equipments of the power system. The additional reactance added in series with the system for protection, are called