Practice Test: Question Set - 02
1. Referring to circuit given, if R1 is changed to a 68 Ω resistor, what will be the current through it?
- (A) 0.16
A
- (B) 0.24
A
- (C) 0.2
A
- (D) 0.04
A
2. Norton's equivalent current (IN) is an open-circuit current between two points in a circuit.
- (A) True
- (B) False
3. A 12 mA current source has an internal resistance, RS, of 1.2 kΩ. The equivalent voltage source is
- (A) 144
V
- (B) 14.4
V
- (C) 7.2
V
- (D) 72 mV
4. Determine IN for the circuit consisting of VS, R1, R2, and R3 shown in the given circuit.
- (A) 676
mA
- (B) 245
mA
- (C) 431
mA
- (D) 75
mA
5. The Thevenin equivalent voltage (VTH) is the short-circuit voltage between two terminals in a circuit.
- (A) True
- (B) False
6. In a two-source circuit, one source acting alone produces 12 mA through a given branch. The other source acting alone produces 10 mA in the opposite direction through the same branch. The actual current through the branch is
- (A) 22
mA
- (B) 12
mA
- (C) 10 mA
- (D) 2 mA
7. A practical voltage source has a nonzero internal resistance.
- (A) True
- (B) False
8. Referring to the given circuit, the voltage and current for the load resistor, RL, is
- (A) 450
mV, 4.5 mA
- (B) 4.50
V, 45 mA
- (C) 4.50 V, 4.5
mA
- (D) 450
mV, 45 mA
9. An ideal voltage source has zero internal resistance.
- (A) True
- (B) False
10. A 470 Ω RL is connected across a voltage source, VS, of 120 V. The source's internal resistance, RS, is 12 Ω. What is the output voltage across the load?
- (A) 120 V
- (B) 0 V
- (C) 117
V
- (D) 12
V
Next Tests: