DEVRY ECET220 WEEK QUIZ 1 AND 2

Which of the following is the correct equation for Ohm’s Law?

P = I X V

R = V X I

I = V X R

V = I X R

Comments:

Question 2. Question :

Which of the following is the correct equation for Watt’s Law?

P = I X V

R = V X I

P = V X R

V = I X R

Comments:

Question 3. Question :

Which theorem states that the summation of the voltages around a closed loop equals zero?

Kirchhoff’s Current Law

Kirchhoff’s Voltage Law

Ohm’s Law

Thevenin’s Theorem

Comments:

Question 4. Question :

Which theorem states that the summation of the currents at a node equals zero?

Kirchhoff’s Current Law

Kirchhoff’s Voltage Law

Ohm’s Law

Thevenin’s Theorem

Comments:

Question 5. Question :

Which theorem states that a complex circuit can be replaced by a voltage source and a series resistor?

Kirchhoff’s Current Law

Kirchhoff’s Voltage Law

Ohm’s Law

Thevenin’s Theorem

Comments:

(TCO 1) In a semiconductor diode, the two bias conditions are

positive and negative.

forward and reverse.

open and closed.

blocking and non-blocking.

Instructor Explanation: Week 1 Lecture on diodes.

Points Received: 5 of 5

Comments:

Question 2. Question :

(TCO 1) During the positive half-cycle of the input voltage applied to a full-wave rectifier,

all diodes are forward-biased.

all diodes are reverse-biased.

two diodes are forward biased.

one diode is forward-biased.

Question 3. Question :

(TCO 1) The process of changing a half-wave rectified voltage to a constant DC voltage is called

damping.

filtering.

AC to DC conversion.

ripple suppression.

Question 4. Question :

(TCO 1) What condition will cause a rectifier diode to fail?

Applying a reverse voltage less than the Peak Inverse Voltage.

Placing the rectifier diode backwards in a Half-Wave rectifier circuit.

Operating the diode close to the barrier voltage.

Exceeding the Peak Inverse Voltage rating.

Question 5. Question :

(TCO 1) If the zener diode in the circuit is open, the output voltage will

decrease.

increase.

not change.

go to 0 VDC.

Question 6. Question :

(TCO 2) Two currents that are nearly the same when the bipolar junction transistor operating in the linear (active) region has a beta (?) greater than 100 are

base and collector.

base and emitter.

collector and emitter.

input and output.

Question 7. Question :

(TCO 2) To use an npn bipolar junction transistor as a switch requires the transistor to

transition between the cutoff and saturation regions.

transition between the linear (active) and saturation regions.

transition between the cutoff and saturation regions.

remain in the linear (active) region.

Question 8. Question :

(TCO 2) If the collector resistor RC in the circuit shown is open,

the base voltage will decrease.

the base voltage will increase.

the base voltage will not change.

the base-emitter voltage increases significantly.