Question

HSL
Three identical solenoids are
connected as shown in figure. If
magnetic field produced at centre of
solenoid P is B, then magnetic field
produced at centre of solenoid Q & R
respectively is
PR
000000 000000
LE
BERT
LE
TE
SELE
SS
SET
ES
000000​

Answer 1

Answer:

a coil containing large number of close turn of copper wire