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Consider the following circuit:

If V1=19cos(wt) V, C1=10 F, L1=7 H, R1=531 Ohms, what value of 'w' will make the equivalent impedance purely resistive?

w=0.24 rad/sec

❌

w=0.06 rad/sec

❌

w=0.12 rad/sec

✅

w=0.36 rad/sec

❌

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Consider the following circuit:

If V1=26cos(1000t) V, C1=4 mF, L1=22 mH, and R1=992 Ohms,

what is the magnitude of the equivalent impedance seen by the source?

|Zeq|=992.24 Ohms

✅

|Zeq|=2976.72 Ohms

❌

|Zeq|=1984.48 Ohms

❌

|Zeq|=496.12 Ohms

❌

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Consider the following circuit:

If V1=83cos(1000t) V, C1=19 mF, and L1=12 mH,

what is the equivalent impedance seen by the source?

Zeq=j105.73 mOhms.

❌

Zeq=-j52.86 mOhms.

✅

Zeq=-j105.73 mOhms.

❌

Zeq=j52.86 mOhms.

❌

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