The illustration shows a step-up transformer. The primary coil has Np = 250 turns and the secondary coil has Ns = 4750 turns. If the input effective voltage is 83.0 V, what is the voltage in the secondary coil? %3D A 1.12x103 V B 1.58x103 V C 2.07x103 V D 2.23x103 V

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Chapter1: Units, Trigonometry. And Vectors
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The illustration shows a step-up transformer. The primary coil has Np = 250 turns and
the secondary coil has Ns = 4750 turns. If the input effective voltage is 83.0 V, what is
the voltage in the secondary coil?
A 1.12x103 V
В 1.58х103 V
C 2.07x103 V
D 2.23x103 V
A generator develops a maximum voltage of 155 V. A lightbulb that is placed in a series
circuit with the generator draws an effective current of 0.60 A. What is the resistance of
the bulb?
A 1.3x102 Q
B 1.8x102 Q
C 2.6x102
D3.7x102 Q
Transcribed Image Text:The illustration shows a step-up transformer. The primary coil has Np = 250 turns and the secondary coil has Ns = 4750 turns. If the input effective voltage is 83.0 V, what is the voltage in the secondary coil? A 1.12x103 V В 1.58х103 V C 2.07x103 V D 2.23x103 V A generator develops a maximum voltage of 155 V. A lightbulb that is placed in a series circuit with the generator draws an effective current of 0.60 A. What is the resistance of the bulb? A 1.3x102 Q B 1.8x102 Q C 2.6x102 D3.7x102 Q
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