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Correct Answer : Phase of voltage leads the current
Explanation : In addition to a resistance of alternating current flow, an inductor/coil alters the phase difference between the current and voltage. The inductor/coil lowers the phase of the current and hence the voltage leads the current.
Correct Answer : Option (C) : 0.76
Explanation :
Correct Answer : Option (D) : Spectrum analyzer
Explanation : The test instrument for producing a frequency-domain display is the spectrum analyzer. Like the oscilloscope, the spectrum analyzer uses a cathode-ray tube for display, but the horizontal sweep axis is calibrated in hertz and the vertical axis is calibrated in volts or power units or decibels.
Correct Answer : Option (C) : 58.3MHz
