Common Electronics Information Practice Test 3

Question – 1

1. The electrical potential is measured using ___________.

  • A. a cymometer


  • B. an ammeter


  • C. a voltmeter


  • D. a wattmeter


  • Answer:C

  • Answer Explanation:





Question – 2

2. ____________ is designed to be temperature sensitive which is also a resistive component.

  • A. Potentiometer


  • B. Rheostat


  • C. Thermistor


  • D. None of the above


  • Answer:C

  • Answer Explanation:





Question – 3

3. The positive and negative charge symbols are assigned to the _______ and _______ respectively.

  • A. Proton, electron


  • B. Neutron, atom


  • C. Electron, proton


  • D. Atom and electron


  • Answer:A

  • Answer Explanation:





Question – 4

4. In which of the following, resistance is measured?

  • A. Amp


  • B. Watt


  • C. Ohm


  • D. Volt


  • Answer:C

  • Answer Explanation:





Question – 5

5. __________ acts as the best conductor.

  • A. Copper


  • B. Bronze


  • C. Aluminum


  • D. Silver


  • Answer:D

  • Answer Explanation:





Question – 6

6. Current is ___________ to resistance and __________ to voltage.

  • A. Directly proportional; Inversely proportional


  • B. Directly proportional; Directly proportional


  • C. Inversely proportional; Directly proportional


  • D. Inversely proportional; Inversely proportional


  • Answer:C

  • Answer Explanation:





Question – 7

7. Which of the following electrical circuits has only one path for current to flow?

  • A. Series circuit


  • B. Parallel circuit


  • C. Parallel and series circuit


  • D. None of the above


  • Answer:A

  • Answer Explanation:





Question – 8

8. Which of the following expressions denotes electrical power?

  • A. P = I x R


  • B. E = P x I


  • C. P = I x E


  • D. I = P x E


  • Answer:C

  • Answer Explanation:





Question – 9

9. The infinite resistance of a circuit causes ___________.

  • A. High current flow


  • B. No current flow


  • C. Moderate current flow


  • D. None of the above


  • Answer:B

  • Answer Explanation:





Question – 10

10. In a parallel circuit, each device is placed in its ___________.

  • A. Branches


  • B. Open circuit


  • C. Closed circuit


  • D. Short circuit


  • Answer:A

  • Answer Explanation:





Question – 11

11. Which of the following is utilized for limiting current or voltage?

  • A. Insulators


  • B. Conductors


  • C. Resistors


  • D. Capacitors


  • Answer:C

  • Answer Explanation:





Question – 12

12. A capacitor’s opposition to the flow of current is called as ____________.

  • A. Capacitive acceptance


  • B. Capacitive reactance


  • C. Capacitive storage


  • D. Capacitive conductance


  • Answer:B

  • Answer Explanation:





Question – 13

13. ___________ is an electrical component that exhibits the property of self induction.

  • A. Conductor


  • B. Reactor


  • C. Inductor


  • D. Insulator


  • Answer:C

  • Answer Explanation:





Question – 14

14. Which of the following components is created when a P-type material is joined with an N-type material?

  • A. Diode


  • B. Resistor


  • C. Anode


  • D. Cathode


  • Answer:A

  • Answer Explanation:





Question – 15

15. A varistor is a ___________.

  • A. Voltage dependent diode


  • B. Voltage dependent resistor


  • C. Current dependent resistor


  • D. Current dependent diode


  • Answer:B

  • Answer Explanation:





Score: 0/10



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