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# Magnitude of instantaneous value

From the figure provided, which of the following is true for the magnitude of the instantaneous value of the emf phasor b?  The magnitude is constant.  The magnitude is decreasing.  The magnitude is increasing. Question 2A capacitor is connected across an oscillating emf with a peak current through the capacitor of 1.50 A. If the capacitor C is doubled, what is the peak current? 0.750 A  1.50 A  1.06 A  3.00 A Question 3If a low-pass RC filter has a crossover frequency fc = 350. Hz, what will the crossover frequency be if the resistance R is halved? 175 Hz  495 Hz  700. Hz  350. Hz Question 4If the resonance frequency of a series RLC circuit is 3.00×103 Hz, what is the resonance frequency if the capacitance C is tripled? 3.00×103 Hz  1.73×103 Hz  1.00×103 Hz  9.00×103 Hz -100 V100 V100 VIFrom the figure provided, which of the following is true for the magnitude of the instantaneous value of the emf phasor b?O The magnitude is constant.O The magnitude is decreasing.O The magnitude is increasing.Question 2A capacitor is connected across an oscillating emf with a peak current through the capacitor of 1.50 A. If the capacitor Cis doubled, what is the peakcurrent?O 0.750 A1.50 A1.06 A3.00 AQuestion 3If a low-pass RC filter has a crossover frequency fc = 350. Hz, what will the crossover frequency be if the resistance Ris halved?175 HzO 495 HzO 700. Hz350. HzQuestion 4If the resonance frequency of a series RLC circuit is 3.00×103 Hz, what is the resonance frequency if the capacitance C is tripled?3.00×103 Hz1.73×103 HzO 1.00x 103 Hz9.00×103 Hz

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