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# Suppose a zero-resistance rod slides to the right on two zero-res a distance of 0.330 m. The rails are connected by a 16 2 resistor, and thered b a uniform magnetic field with a magnitude of 0.850 T. (a) What emf is induced? (b) Find the speed at which the bar must be moved to produce a current of 0.145 A in the resistor. (c) What is the direction of the induced current? istance rails separated by   ### Another question on Physics Physics, 22.06.2019 01:30
For problems 1-3, consider a simple dc brush motor with a permanent magnet stator. with an an consider a simple dc brush motor with a permanent magnet ae supply voltage of 100 v, the no-load speed of the motor is 1000 rpm. this motor can provide a torque of 1.9 n-m at 800 rpm drawing a current of 2 a current are both zero at no load.) 1. with an armature supply voltage of 100 v, the motor is operated at 900 rpm. what is the motor torque? what is the mechanical power delivered by the motor? what is the current draw? what is the electrical power input? what is the energy efficiency of the motor? with an armature supply voltage of 100 v, the motor is operated at 1100 rpm (where it acts as a generator). what torque input is required? what mechanical power is required what current is generated? what is the electrical power generated? what is the energy efficiency of the motor acting as a generator? 2. with an armature supply voltage raised to 120 v, the motor is operated at 1000 rpm. what is the no-load speed? what is the motor torque? what is the mechanical power delivered by the motor? what is the current draw? what is the electrical power input what is the energy efficiency of the motor? 3. Physics, 22.06.2019 04:00
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Suppose a zero-resistance rod slides to the right on two zero-res a distance of 0.330 m. The rails a...
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