5555555555 5. The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is ________. (a) 20,000 Ω (b) 100,000 Ω (c) 200,000 Ω (d) 1,000,000 Ω
5555555555 9. A 47 Ω resistor and a capacitor with 150 Ω of capacitive reactance are in series across an ac source. The impedance, expressed in rectangular form, is ________. (a) Z = 47 Ω + j150 Ω (b) Z = 47 Ω – j150 Ω (c) Z = 197 Ω (d) Z = 103 Ω
5555555555 16. A balanced Wheatstone bridge consists of an RV of 3,500 Ω, an R2 of 200 Ω, and an R3 of 680 Ω. The value of RUNK is ________. (a) 680 Ω (b) 1,029 Ω (c) 200 Ω (d) 880 Ω
5555555555 13. A certain circuit is composed of two parallel resistors. The total resistance is 1,403 Ω. One of the resistors is 2 kΩ. The other resistor value is ________. (a) 1,403 Ω (b) 4.7 kΩ (c) 2 kΩ (d) 3,403 Ω
AC Circuits » Exercise - 18. A series AC circuit has a resistance of 12 Ω and reactance 5 Ω. The impedance of circuit is : (a) 5 Ω (b) 12 Ω (c) 13 Ω (d) 17 Ω