A set of Basic Electronics Questions and Answers. The article includes questions on Semiconductors, Transistors, OP-Amps, Amplifiers, and many more. Silicon is the most common material used to build semiconductor devices. • Si is the main ingredient of sand and it is estimated that a cubic mile of seawater. Basic Electronics Questions and Answers. Electronics Interview Questions and Answers. Short Questions and Answers. Long Questions and.
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Super Conductor Answer: A circuit that adds a DC voltage positive or negative to a wave. In a constant voltage DC circuit, when the resistance increases, the current will A. It is vulnerable to high frequency interference. Ohm D.
Time is the: If a gas in a fixed volume container is heated. D The proton is the positively charged particle in the nucleus of the atom. B The pressure of a gas in a closed container increases as it is heated.
It takes 30 minutes to complete a reaction at K. More than 60 minutes Answer: A A chemical reaction occurs at a faster rate at higher temperatures. Physical Concepts Energy is the capability or ability to: Which of the following is an estimate of the time required to complete the same reaction at K? C A matter state change from liquid to gas is vaporization solid to gas is sublimation. Vaporization refers to the change in state of matter from: Less than 15 minutes B.
A By definition. Henry is a unit of inductance. Farad is a unit of capacitance. Ohm is a unit of resistance. B Volt is a unit of electrical potential.
Single — pole. Industrial Controls The following resource is associated with the next question. Double — pole. The correct answer to the example question is "D" torque. B A single set of contacts single pole which provide electrical connection in only 1 position or throw is called single-pole.
The relay contacts shown are: Applied Electrical Test: This test will assess your knowledge and ability to apply the principles of Applied Electrical concepts.
The test is comprised of 27 questions in the following areas: A measure of how much a force acting on an object causes that object to rotate is called: The output voltage would be doubled and a small improvement in the ripple voltage would be detected.
The rms value of an alternating sine wave corresponds to the same amount of direct current or voltage in heating power. A higher value capacitor would be more effective in filtering. The output and ripple voltage would be less than expected.
The ripple voltage would be half of what is expected and a small increase in the output voltage would be detected. Compared to an effective voltage of VAC. If the output filter capacitor in a power supply actually had a value twice its stated value. The output and ripple voltage would be greater than expected. Power Supply Concepts The following resource is associated with the next question. A B C D Answer: In the power supply shown.
Capacity C1 provides filtering to smooth the waveform across the load. It has a center conductor covered with an insulator. It has heavier insulation than most cables. B The insulated braide or solid outer conductor of Coaxial cable covering a single insulated center conductor provides excellent high frequency interference protection.
The type of spring used in this solenoid is: D When the solenoid is energized. It is vulnerable to high frequency interference. It has twisted pairs with a shield. When the solenoid is de-energized the spring relaxes to its natural position pushing the plunger down. Flag for inappropriate content. Related titles. Jump to Page. Search inside document.
This test is comprised of 90 questions in the following areas: A path between two or more points along which an electrical current can be carried is called a: Increased heat in the source Answer: A Reflected RF power works to partially negative the Forward power resulting in poor power transfer and potential radiation of RF noise.
Khalid Abnode. Charles Downs. Jampana Shivaramakrishna. Durga Devi. Prasanna Kumar. Ajay Kumar R. Krishan Gupta. Tamire santhosh mohan. Chrissa Villaflores Ganit. Ahmed Asnag.
John Smith. Jeremy Hensley. Arooj Mukarram. Irfan Jombliz. Marek Marex. Popular in Rectifier. Pick the odd one in the group A. Conductor B.
Semiconductor C. Four valence electrons D.
Crystal structure Answer: To produce P-type semiconductors, you need to add A. Trivalent impurity B. Carbon C. Pentavalent impurity D. Silicon Answer: Electrons are the minority carriers in A. Extrinsic Semiconductors B. Intrinsic Semiconductors D. A p-type semiconductor contains A.
Holes and Negative ions B. Holes and Positive ions C. Holes and Pentavalent atoms D. Holes and Donor atoms Answer: How many electrons does pentavalent atoms have? Negative ions are A.
Atoms that obtained a proton B. Atoms that lost a proton C. Atoms that obtained an electron D. Atoms that lost an electron Answer: Depletion layer is caused by A. Recombination C. Barrier potential D. Ions Answer: The reverse current in a diode is usually A.
Very small B. Very large C.
Zero D. In the breakdown region Answer: Avalanche in Diode occurs at A. Barrier potential B. Depletion layer C.
Knee voltage D. Breakdown voltage Answer: The potential barrier of a silicon diode is A.
Equal B. Higher C. Lower D. Depends on temperature Answer: A Diode is a A. Bilateral Device B. Nonlinear Device C. Linear Device D. Unipolar Device Answer: The diode current is large for which condition A. Forward Bias B. Inverse Bias C. Poor Bias D. Reverse Bias Answer: The output voltage signal of a bridge rectifier is A. Half-wave B. Full-wave C. Bridge-rectified signal D. Sine wave Answer: Voltage multipliers produce A. Low voltage and low current B.
Low voltage and high current C. High voltage and low current D. High voltage and high current Answer: What is a Clipper? What is a Clamper? A circuit that adds a DC voltage positive or negative to a wave.
Zener diode can be described as A. A rectifier diode. A device with constant — voltage. A device with constant — current. A device that works in the forward region. If the Zener Diode is connected in wrong polarity, the voltage across the load is A.
One B. Two C. Three D.
Four Answer: Lightly Doped B. Moderately Doped C. Heavily Doped D. Not Doped Answer: Forward Biased C. Reverse Biased D. Operates in breakdown region Answer: The size comparison between Base, Emitter and Collector is A.
All are equal Answer: Reverse Biased B. Breakdown Region D. No Conduction Answer: Holes and Electrons B. Electrons and Holes C.