BASIC ELECTRICAL PART 13
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Attempt Free BASIC ELECTRICAL PART 13 Here. Read The Important Electrical MCQ From Below.
A. Hydro
C. Nuclear
D. Diesel
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[2] As the spacing between plates in a capacitor is made smaller
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BASIC ELECTRICAL PART 13
[3] The relationship between frequency and time period of ac waveform is
A. f = T
B. f = 1/ T2
C. f = 1/T
D. f = T2
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[4] The five 0.050uF capacitors are connected in parallel. The equivalent capacitance is
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BASIC ELECTRICAL PART 13
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[6] If two perfect sine waves have the same frequency and the same amplitude, but are in opposite phase, the composite wave
A. Has twice the amplitude of either input wave alone
B. Has half the amplitude of either input wave alone
C. Is complex, but has the same frequency as the originals.
D. Has zero amplitude ( that is, it does not exist) because the two input waves cancel each other out.
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[7] Three capacitors are connected in series having capacitance of 8uF, 32uF, 16uF, the total capacitance is
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BASIC ELECTRICAL PART 13
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[9] Which of the following are active components
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BASIC ELECTRICAL PART 13
[10] The energy required to charge a 10 uF capacitor to 100V is
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[11] The current in a inductor changes from 0 to 200mA in 4ms and induces a voltage of 100mV. The value of inductor is
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BASIC ELECTRICAL PART 13
[12] A battery has a short-circuit current of 30A and an open circuit voltage of 24V. If the battery is connected to an electric bulb of resistance 2 ?, the power dissipated by the bulb is
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[13] Which of the following is ferromagnetic material?
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BASIC ELECTRICAL PART 13
[14] A complex wave form made up frequency components 1 Hz, 3 Hz, 5 Hz, 7 Hz and 9 Hz. Its fundamental frequency is
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[15] If a 175V dc source were connected in series with the utility mains from a standard wall outlet, the result would be
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BASIC ELECTRICAL PART 13
