Q.1
Norton's equivalent current (IN) is an open-circuit current between two points in a circuit.
Q.2
A certain voltage source has the values VS = 30 V and RS = 6 Ω. The values for an equivalent current source are
Q.3
A certain current source has the values IS = 4 µA and RS = 1.2 MO. The values for an equivalent voltage source are
Q.4
You cannot convert a voltage source to an equivalent current source, or vice versa.
Q.5
Find the current in R2 of the given circuit, using the superposition theorem.
Circuit Theorems and Conversions mcq question image
Q.6
Conversions between delta-type and wye-type circuit arrangements are useful in certain specialized applications.
Q.7
A 120 Ω load is connected across a voltage source with VS = 12 V and RS = 8 Ω. The voltage across the load is
Q.8
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
Q.9
An ideal current source has zero internal resistance.
Q.10
A 12 V source has an internal resistance of 90 Ω. If a load resistance of 20 Ω is connected to the voltage source, the load power, PL, is
Q.11
An 18 V source has an internal resistance of 70 Ω. If a load resistance of 33 Ω is connected to the voltage source, the load power, PL, is
Q.12
A 120 Ω load is connected across an ideal voltage source with VS = 12 V. The voltage across the load is
Q.13
A practical current source has a finite internal resistance.
Q.14
A 680 Ω load resistor, RL, is connected across a constant current source of 1.2 A. The internal source resistance, RS, is 12 kΩ. The load current, RL, is
Q.15
A practical voltage source has a nonzero internal resistance.
Q.16
An ideal voltage source has zero internal resistance.
Q.17
Some circuits require more than one voltage or current source.
Q.18
A 2 Ω RL is connected across a voltage source, VS, of 110 V. The source's internal resistance is 24 Ω. What is the output voltage across the load?
Q.19
The Thevenin equivalent voltage (VTH) is the short-circuit voltage between two terminals in a circuit.
Q.20
A 120 V voltage source has a source resistance, RS, of 60 Ω. The equivalent current source is
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