TEST 2 (DIFF. CAL, AC CKTS, SSD 1)

As the resistance in a series RLC circuit decrease, the bandwidth under resonance ___,

• Increase

• Decrease

• Doubles

• Halves

In a parallel RLC circuit, as the resistance approaches an open circuit condition, the bandwidth under resonance ___

• Increase

• Decrease

• Approaches infinity

• Doubles

A 12-ohm resistor, 22uF capacitor and a 100mH inductor are connected in series with 80V, 120Hz supply AC. Determine the impedance of the circuit

• 12 ohms

• 15 ohms

• 19 ohms

• 52 ohms

A 12-ohm resistor, 22uF capacitor and a 100mH inductor are connected in series with 80V, 120Hz supply AC. Determine the RMS current in the circuit

• 2.58 A

• 4.15 A

• 3.25 A

• 5.02 A

A 12-ohm resistor, 22uF capacitor and a 100mH inductor are connected in series with 80V, 120Hz supply AC. What is the phase relationship between the supply voltage and the circuit current?

• The voltage leads the current by 52deg.

• The voltage lags the current by 52deg.

• The current leads the voltage by 38 deg.

• The current lags the voltage by 38 deg.

A 12-ohm resistor, 22uF capacitor and a 100mH inductor are connected in series with 80V, 120Hz supply AC. What is the voltage across the inductor?

• 50 V

• 137 V

• 250 V

• 313 V

A 12-ohm resistor, 22uF capacitor and a 100mH inductor are connected in series with 80V, 120Hz supply AC. What is the voltage across the capacitor?

• 50 V

• 137 V

• 250 V

• 313 V

A 12-ohm resistor, 22uF capacitor and a 100mH inductor are connected in series with 80V, 120Hz supply AC. What is reactive power in the circuit?

• 260 VAR

• 206 VAR

• 332 VAR

• 323 VAR

A 12-ohm resistor, 22uF capacitor and a 100mH inductor are connected in series with 80V, 120Hz supply AC. What is the true power in the circuit?

• 260 W

• 206 W

• 332 W

• 323 W

A 12-ohm resistor, 22uF capacitor and a 100mH inductor are connected in series with 80V, 120Hz supply AC. What is the apparent power in the circuit?

• 260 VA

• 206 VA

• 323 VA

• 332 VA