Question

The magnetic field strength of solenoid can be increased by inserting which of the following materials as core?
(a) copper
(b) silver
(c) iron
(d) aluminium​

Answer 1

$\huge\mathfrak\red {☆ᴀɴSᴡᴇʀ☆}$

IᖇOᑎ

Answer 2

Answer:

(c) Iron is the correct one....