41. In case of an inductance, current is proportional to A. Voltage across the inductance B. Magnetic field C. Both A and B D. Neither A nor B Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
42. An average voltage of 10 V is induced in a 250 turns solenoid as a result of a change in flux which occurs in 0.5 second. The total flux change is A. 20 Wb B. 2 Wb C. 0.2 Wb D. 0.02 Wb Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
43. The law that the induced e.m.f. and current always oppose the cause producing them is due to A. Faraday B. Lenz C. Newton D. Coulomb Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
44. The magnitude of the induced e.m.f. in a conductor depends on the A. Flux density of the magnetic field B. Amount of flux cut C. Amount of flux linkages D. Rate of change of flux-linkages Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
45. A conductor carries 125 amperes of current under 60° to a magnetic field of 1.1 tesla. The force on the conductor will be nearly A. 50 N B. 120 N C. 240 N D. 480 N Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
46. A crack in the magnetic path of an inductor will result in A. Unchanged inductance B. Increased inductance C. Zero inductance D. Reduced inductance Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
47. Lenz's law is a consequence of the law of conservation of A. Induced current B. Charge C. Energy D. Induced e.m.f. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board