Electronic Principles MCQ Questions & Answers

1

Which one of the following statements is true?

A) Current flows in a capacitor circuit only while ions are permitted to flow through the dielectric material B) Current flows in a capacitor circuit only while the charge on the plates is large enough to force the dielectric to conduct electrons C) Current can flow in a capacitor circuit, but not through the dielectric material itself D) Power returned to the circuit is always greater than the power absorbed E) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

2

What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W?

A) 692.2 Ohm B) 844.5 Ohm C) 3890 Ohm D) 1234 Ohm E) None of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

3

Holes act like:

A) Atoms B) Crystals C) Negative charges D) Positive charges E) None of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

4

How may valence electrons does a silicon atom have?

A) 0 B) 1 C) 2 D) 4 E) None of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

5

Reducing the amount of current through an inductor:

A) reduces the value of inductance by one-half B) multiplies the value of inductance by four C) multiplies the value of inductance by two D) has no effect on the inductance E) None of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

6

Which one of the following statements best applies to a series RLC circuit?

A) The voltage waveform for each component always has the same amplitude and phase as the applied voltage B) The current waveform for each component always has the same amplitude and phase as the applied current C) All of the above D) The sum of the current is always less than the applied current E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

7

When applying a square waveform to a capacitor, the circuit tends to:

A) peak the voltage and round off the current waveforms B) peak the current and round off the voltage waveforms C) round off both the voltage and current waveforms D) peak both the voltage and current waveforms E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

8

Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit?

A) Number of lines of force B) Flux density C) Reluctance D) Magnetomotive force E) None of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

9

Who invented the first junction transistor?

A) Smith B) Gomes C) Fisher D) Shockley E) None of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

10

When a series RLC circuit is operating at its resonant frequency:

A) capacitive reactance is greater than the inductive reactance B) inductive reactance is greater than the capacitive reactance C) inductive reactance is equal to the capacitive reactance D) the difference between inductive and capacitive reactance is equal to the resistance E) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Electronic Principles MCQ Questions & Answers | Computer Science