QAI 1 (a) An electromagnet is shown in Figure A1, which is made up of solenoid. (4 marks) Draw the magnetic field of the

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Qai 1 A An Electromagnet Is Shown In Figure A1 Which Is Made Up Of Solenoid 4 Marks Draw The Magnetic Field Of The 1 (152.15 KiB) Viewed 41 times

QAI 1 (a) An electromagnet is shown in Figure A1, which is made up of solenoid. (4 marks) Draw the magnetic field of the solenoid. determine: Current out (b) The total flux in the core of an electrical machine is 20 mWb and its flux (4 marks) density is 1 T. Calculate the cross-sectional area (A) of the core. QAZ Referring to the AC waveform shown in Figure A2, V 0° Figure Al 60° T = 30 ms Figure A2 Current in 36 V wt (a) the peak value voltage (Vm) of the waveform; (2 marks) (2 marks) (b) the peak-to-peak voltage (Vp-p) of the waveform; (c) the frequency (f) of the waveform; and (2 marks) (d) express the equation for the sinusoidal voltage v as a function of time t. (2 marks) (express the phase angle in degree) P.I