Katrina Himes
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Nuclear Program Quiz on Test 1 Study for Final , created by Katrina Himes on 08/05/2018.

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Katrina Himes
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Test 1 Study for Final

Test 1 Study for Final

Question 1 of 25

1

A real voltage source has

Select one of the following:

  • Zero internal resistance

  • Infinite internal resistance

  • A small internal resistance

  • A large internal resistance

Explanation

Question 2 of 25

1

If a load resistance is 100 Ω, a stiff voltage source has a resistance of

Select one of the following:

  • Less than 1 Ω

  • At least 10 Ω

  • More than 10 kΩ

  • Less than 10 kΩ

Explanation

Question 3 of 25

1

The Thevenin voltage is the same as the

Select one of the following:

  • Shorted-load voltage

  • Open-load voltage

  • Ideal source voltage

  • Norton voltage

Explanation

Question 4 of 25

1

An open resistor has

Select one of the following:

  • Infinite current through it

  • Zero voltage across it

  • Infinite voltage across it

  • Zero current through it

Explanation

Question 5 of 25

1

A shorted resistor has

Select one of the following:

  • Infinite current through it

  • Zero voltage across it

  • Infinite voltage across it

  • Zero current through it

Explanation

Question 6 of 25

1

The voltage out of an ideal voltage source

Select one of the following:

  • Is zero

  • Is constant

  • Depends on the value of load resistance

  • Depends on the internal resistance

Explanation

Question 7 of 25

1

Assume the valence electron is removed from a copper atom. The net charge of the atom becomes

Select one of the following:

  • 0

  • +1

  • -1

  • +4

Explanation

Question 8 of 25

1

Which is the most widely used semiconductor?

Select one of the following:

  • Copper

  • Germanium

  • Silicon

  • None of the above

Explanation

Question 9 of 25

1

Silicon atoms combine into an orderly pattern called a

Select one of the following:

  • Covalent bond

  • Crystal

  • Semiconductor

  • Valence orbit

Explanation

Question 10 of 25

1

The flow of valence electrons to the right means that holes are flowing to the

Select one of the following:

  • Left

  • Right

  • Either way

  • None of the above

Explanation

Question 11 of 25

1

Trivalent atoms have how many valence electrons?

Select one of the following:

  • 1

  • 3

  • 4

  • 5

Explanation

Question 12 of 25

1

Negative ions are atoms that have

Select one of the following:

  • Gained a proton

  • Lost a proton

  • Gained an electron

  • Lost an electron

Explanation

Question 13 of 25

1

What is the barrier potential of a silicon diode at room temperature?

Select one of the following:

  • 0.3 V

  • 0.7 V

  • 1 V

  • 2 mV per degree Celsius

Explanation

Question 14 of 25

1

The voltage where avalanche occurs is called the

Select one of the following:

  • Barrier potential

  • Depletion layer

  • Knee voltage

  • Breakdown voltage

Explanation

Question 15 of 25

1

When the diode current is large, the bias is

Select one of the following:

  • Forward

  • Inverse

  • Poor

  • Reverse

Explanation

Question 16 of 25

1

The knee voltage of a diode is approximately equal to the

Select one of the following:

  • Applied voltage

  • Barrier potential

  • Breakdown voltage

  • Forward voltage

Explanation

Question 17 of 25

1

The ideal diode is usually adequate when

Select one of the following:

  • Troubleshooting

  • Doing precise calculations

  • The source voltage is low

  • The load resistance is low

Explanation

Question 18 of 25

1

The second approximation works well when

Select one of the following:

  • Troubleshooting

  • Load resistance is high

  • Source voltage is high

  • All of the above

Explanation

Question 19 of 25

1

If the line frequency is 60 Hz, the output frequency of a bridge rectifier is

Select one of the following:

  • 30 Hz

  • 60 Hz

  • 120 Hz

  • 240 Hz

Explanation

Question 20 of 25

1

With the same secondary voltage and filter, which has the most ripple?

Select one of the following:

  • Half-wave rectifier

  • Full-wave rectifier

  • Bridge rectifier

  • Impossible to say

Explanation

Question 21 of 25

1

If the secondary voltage increases in a bridge rectifier with a capacitor-input filter, the load voltage will

Select one of the following:

  • Decrease

  • Stay the same

  • Increase

  • None of these

Explanation

Question 22 of 25

1

If the filter capacitance is increased, the ripple will

Select one of the following:

  • Decrease

  • Stay the same

  • Increase

  • None of these

Explanation

Question 23 of 25

1

A circuit that removes positive or negative parts of a waveform is called a

Select one of the following:

  • Clamper

  • Clipper

  • Diode clamp

  • Limiter

Explanation

Question 24 of 25

1

With a half-wave rectified voltage across the load resistor load current flows for what part of a cycle?

Select one of the following:

  • 0°

  • 90°

  • 180°

  • 360°

Explanation

Question 25 of 25

1

A circuit that adds a positive or negative dc voltage to an input sine wave is called a

Select one of the following:

  • Clamper

  • Clipper

  • Diode clamp

  • Limiter

Explanation

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