A thin conducting rod MN of mass 20 g, length 25 cm and resistance 10 Ω is held on frictionless vertical conducting rails in uniform B₀=4 T perpendicular to the plane. It is released from rest. Take g=10 m s⁻² and e⁻¹=0.4. Match List-I with List-II.
Physics · Electromagnetic Induction
A thin conducting rod MN of mass 20 g, length 25 cm and resistance 10 Ω is held on frictionless vertical conducting rails in uniform B₀=4 T perpendicular to the plane. It is released from rest. Take g=10 m s⁻² and e⁻¹=0.4. Match List-I with List-II.
List 1
(P) Induced emf at t=0.2 s (V)
(Q) Magnetic force at t=0.2 s (N)
(R) Heat power at t=0.2 s (W)
(S) Terminal speed (m s⁻¹)
.
List 2
(1) 0.07
(2) 0.14
(3) 1.20
(4) 0.12
(5) 2.00
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