SOLUTION TO NTPC PLACEMENT PAPER
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2. | If 750 µA is flowing through 11 k of resistance, what is the voltage drop across the resistor? | |||||||||||||||
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3. | At the end of a 14 day period, your utility bill shows that you have used 18 kWh. What is your average daily power? | |||||||||||||||
Answer: Option A
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4. | A half-watt is equal to how many milliwatts? | |||||||||||||||
Answer: Option C
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5. | Series aiding is a term sometimes used to describe voltage sources of the same polarity in series. | |||||||
Answer: Option A
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6. | If there are a total of 120 mA into a parallel circuit consisting of three branches, and two of the branch currents are 40 mA and 10 mA, the third branch current is | |||||||||||||||
Answer: Option B
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7. | In a parallel circuit, the branch with the lowest resistance has the most current. | |||||||
Answer: Option A
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11. | Third-order determinants are evaluated by the expansion method or by the cofactor method. | |||||||
Answer: Option A
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12. | A 2 F, a 4 F, and a 10 F capacitor are connected in series. The total capacitance is less than | |||||||||||||||
Answer: Option D
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13. | Five time constants are required for a capacitor to charge fully or discharge fully. | |||||||
Answer: Option A
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14. | In an RL circuit, the impedance is determined by both the resistance and the inductive reactance combined. | |||||||
Answer: Option A
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15. | A 10 resistor, a 90 mH coil, and a 0.015 F capacitor are in series across an ac source. The impedance magnitude at 1,200 Hz below fr is | |||||||||||||||
Answer: Option A
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16. | A certain series RLC circuit with a 200 Hz, 15 V ac source has the following values: R = 12 , C = 80 F, and L = 10 mH. The total impedance, expressed in polar form, is | |||||||||||||||
Answer: Option A
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17. | Referring to Problem 18, what is the bandwidth of the filter? | |||||||||||||||
Answer: Option D
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18. | In an RC differentiator, the sum of the capacitor voltage and the resistor voltage at any instant | |||||||||||||||
Answer: Option B
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19. | If the RC time constant of an integrator is increased, as the time constant is increased | |||||||||||||||
Answer: Option D
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20. | In an RL integrating circuit, the output voltage is taken across the inductor. | |||||||
Answer: Option B
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