Question 1 100 V b -100 V 100 V a C 100 V From the figure provided, which of the following is true for the magnitude of the instantaneous value of the emf phasor a? The magnitude is increasing. O The magnitude is decreasing. O The magnitude is constant. Question 2 A capacitor is connected across an oscillating emf with a peak current through the capacitor of 6.50 A. If the capacitor Cis tripled, what is the peak current? O 3.75 A O 19.5 A 6.50 A O 2.17 A Question 3 If a low-pass RC filter has a crossover frequency fc = 100. Hz, what will the crossover frequency be if the resistance Ris tripled? O 57.7 Hz 300. Hz O 100. Hz 33.3 Hz Question 4 If the resonance frequency of a series RLC circuit is 1.00x103 Hz, what is the resonance frequency if the peak emf Eo is tripled? 1.00x105 Hz O 577 Hz O 3.00x105 Hz 333 Hz