A generator produces 18.0 V when turning at 910 rev/min. What emf does it produce when turning at 470 rev/min?
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Q: A generator produces 18.0 V when turning at 910 rev/min. What emf does it produce when turning at…
A: Emf produced by the generator is 10.68V Explanation:Given data:-solution:-
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- A 3.5 mH inductor and a 4.5 mH inductor are connected in series and a time varying current is established in them. When the total emf of the combination is 16 V, what is the emf of the larger inductor?Suppose a generator has a peak voltage of 205 V and its 500 turn, 5.5 cm diameter coil rotates in a 0.15 T field. What frequency in rpm must the generator be operating at?X2. A transmission line that has a resistance per unit length of 4.50x10−4 /m is to be used to transmit5.00 MW across 400 mi (6.44x105 m). The output voltage of the source is 4.50 kV. (a) What is the lineloss if a transformer is used to step up the voltage to 500 kV? (b) What fraction of the input power is lostto the line under these circumstances? (c) What If? What difficulties would be encountered in attemptingto transmit the 5.00 MW at the source voltage of 4.50 kV?
- A transformer has 472 turns on its primary and 108 turns on its secondary. (a) Is this a step-up or a step-down transformer? (b) If a voltage of 103 V is applied to the primary and a current of 0.4 A flows in these windings, what are the voltage output of the secondary and the current in the secondary?voltage Vcurrent AA generator produces 21.0 V when turning at 890 rev/min. What emf does it produce when turning at 530 rev/min? V2. An AC generator has 75 rectangular loops on its armature. Each loop is 14.0 cm long and 10.0 cm wide. The armature rotates at 1300 rpm about an axis parallel to the long side. If the loop rotates in a uniform magnetic field of 0.700 T, which is perpendicular to the axis of rotation, what will be the maximum output voltage of this generator? Volts
- The coil in an electric generator has 125 turns and an area of 2.42 × 10-³ m². It is desired that the maximum emf of the coil be 169 V when it rotates at the rate of 60.0 cycles per second. What is the angular speed of the generator? Answer Units: [rad/s] Mechanical input N Metal slip rings Brushes Electrical outputA 14.0 mH inductor makes the current drop from 178 mA to 66.0 mA in only 10.0 μs. What is the potential difference across the inductor? 0.00157 V -92.4 V -249 V 157 VThe primary coil in an ideal transformer has 1000 turns of wire and an emf of 100 V. The secondary coil has an emf of 10 V. How many turns of wire does the secondary coil have? 100 1000 10,000 100,000