Prepare for NEET Physics Alternating Current (Power) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert solutions to calculate power factor, average power, and energy in AC systems.
NEET Questions / Physics / Work, Energy, and Power / Power
The armature of a shunt wound motor can with stand current up to 8A before it overheats and it damaged. If the armature resistance is 0.5 Ω, minimum back emf that must be motor is connected to a 120 V line is
120 V
116 V
124 V
4 V
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