Question 1 100 V 100 V 100 V 100 V From the gure provided, which of the following is true for the magnitude of the instantaneous value of the emf phasor b? O The magnitude is decreasing. O The magnitude is constant. C) The magnitude is increasing. Question 2 A resistor is connected across an oscillating emf with a peak current through the resistor of 2.50 A. If the frequency a) is tripled, what is the peak current? O1.44A O 7.50A O 2.50A O 0.833A Question 3 An inductor is connected across an oscillating emf with a peak current of 7.50 A. If the peak emf go is doubled, what is the peak current? 0 5.30 A Question 4 If the resonance frequency of a series RLC circuit is 6.50>