/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chapter 4 : Moving Charges and Magnetism This Quiz Contains a set of 10 Questions. The Passing Cut-off is 60%. To start the Quiz, click on the Start Button. All the Best! 1 / 10 The pitch of helical path of a charged particle is given by v⊥T v∥T rT qBT 2 / 10 If magnetic field increases, the deflection in MCG Increases Decreases Remains same Reverses 3 / 10 A galvanometer gives full-scale deflection at 5×10⁻⁶ A. Resistance = 50 Ω. Shunt for 5 A range = 5×10⁻⁵ Ω 5×10⁻⁴ Ω 5×10⁻³ Ω 0.05 Ω 4 / 10 An electron enters perpendicular to B = 0.02 T, v = 3×10⁶ m/s. Its circular path radius is (m=9.1×10⁻³¹, q=1.6×10⁻¹⁹) 1.0 mm 0.9 mm 1.7 mm 0.85 mm 5 / 10 Potential energy of a magnetic dipole in magnetic field is U = mB U = mB sinθ U = −mB cosθ U = m/B 6 / 10 The current sensitivity of a galvanometer increases when Coil area decreases Magnetic field decreases Number of turns decreases k decreases 7 / 10 Magnetic moment of a coil with 100 turns, area 0.02 m², current 2 A is 4 A·m² 2 A·m² 0.4 A·m² 40 A·m² 8 / 10 Torque on a current-carrying loop in uniform magnetic field is given by τ = IAB τ = mB cosθ τ = mB tanθ τ = IAB sinθ 9 / 10 The radius of circular path of charged particle in magnetic field is directly proportional to Charge Magnetic field Velocity 1/B 10 / 10 Work done by magnetic field on moving charge is qvB 0 Fd m/q Your score is 0% Restart quiz