HARD
12th West Bengal Board
IMPORTANT
Earn 100

Two metallic rings and , identical in shape and sign but having different resistivities and , are kept on top of two identical solenoids as shown in Fig. . When current is switched on both the solenoids in identical manner, the rings and jumps to height . The possible relation (s) between their resistances and their mass is (are)


(a) and
(b) and
(c) and
(d) and

50% studentsanswered this correctly

Important Questions on Electromagnetic Induction
MEDIUM
12th West Bengal Board
IMPORTANT

MEDIUM
12th West Bengal Board
IMPORTANT

MEDIUM
12th West Bengal Board
IMPORTANT
