1.What happens to the source current, I S , as the frequency is changed from low

Question

1.What happens to the source current, IS, as the frequency is changed from low to high?

2.Did the source current, IS, go through a minimum or maximum as the frequency is changed from low to high?

3.What is the source frequency at the source current, IS, minimum? What do you call the frequency at that point?

4.What do you notice from the values of the currents IC and IL at IS minimum?

5.What is the phase relationship between IC and IL at IS minimum?

6. What happens to the total impedance, ZP, of the parallel circuit at the current minimum? Choose the correct answer below:

i)                OPEN Circuit           ii)        SHORT Circuit

7. Why is the source current, IS, minimum at this frequency?

1.What happens to the source current, IS, as the frequency is changed from low to high?

2.Did the source current, IS, go through a minimum or maximum as the frequency is changed from low to high?

3.What is the source frequency at the source current, IS, minimum? What do you call the frequency at that point?

4.What do you notice from the values of the currents IC and IL at IS minimum?

5.What is the phase relationship between IC and IL at IS minimum?

6. What happens to the total impedance, ZP, of the parallel circuit at the current minimum? Choose the correct answer below:

i)                OPEN Circuit           ii)        SHORT Circuit

7. Why is the source current, IS, minimum at this frequency?

What happens to the source current, IS, as the frequency is changed from low to high? Did the source current, IS, go through a minimum or maximum as the frequency is changed from low to high? What is the source frequency at the source current, IS, minimum? What do you call the frequency at that point? What do you notice from the values of the currents IC and IL at IS minimum? What is the phase relationship between IC and IL at IS minimum? What happens to the total impedance, ZP, of the parallel circuit at the current minimum? Choose the correct answer below: Why is the source current, IS, minimum at this frequency?

Explanation / Answer

1) It decreases to minimum and then reaches the maximum value

2)minimum

3)734 Hz

4)Ic is maximum(positive) and IL is minimum (negative)

5)out of phase or 180 degree

6) short circuit

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