An iron cored coil is connected in series with an electric bulb with an AC source as shown.............
Komal Kohli February 15, 2023
These are the options for the question :An iron cored coil is connected in series with an electric bulb with an AC source as shown in figure. When iron piece is taken out of
the coil, the brightness of the bulb will
(i) decrease
(ii) increase
(iii) remain unaffected
(iv) fluctuate
