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Module 2: Basic elements & phasors

Quiz

1. A μF capacitor is connected to a voltage source , which one is the current drawn from the voltage supply in mA?

2. An unknown element is connected to the voltage supply . The current drawn by this load is . This load is:

3. At what frequency will an inductor of mH have the same reactance as a capacitor of μF?

Hz

4. Determine the average power delivered to the load when and .

W

5. The current drawn by a single-phase AC motor when connected to a voltage supply is . How much is the PF of this AC load?

6. Which one is the sinusoidal expression for the unknown current \(i_1(t)\), if and ?