Question 1 100 V 100 V 100 V 1{)()V From the gure provided, which of the following is true for the magnitude of the instantaneous value of the emf phasor c? O The magnitude is increasing. 0 The magnitude is constant 0 The magnitude is decreasing. Question 2 A resistor is connected across an oscillating emf with a peak current through the resistor of 4.50 A. If the frequency a) is tripled, what is the peak current? Question 3 An inductor is connected across an oscillating emf with a peak current of 8.50 A. If the inductance L is halved, what is the peak current? Question 4 If the resonance frequency of a series RLC circuit is 8.OOX103 Hz, what is the resonance frequency if the inductance L is halved? O 1.60x104 Hz O 8.00x103 Hz 0 4.00x103 Hz O 1.13x104 Hz