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Fragen in diesem Quiz (15)
1Which of the following is the most conductive element?
- AGold
- BSilver
- CAluminum
- DCopper
2Which of the following statements is correct?
- AConventional current flows from positive terminal of the source to its negative terminal through the circuit.
- BElectron current flows from positive terminal of the source to its negative terminal through the circuit.
- CConventional current flows from negative terminal of the source to its positive terminal through the circuit.
- DBoth option A and B
3Which of the following statements are correct regarding a Voltmeter?
- AA voltmeter is used to measure current.
- BA voltmeter is used in parallel to a circuit.
- CA voltmeter must have the least resistance.
- DAll of the above
4Which of the following instruments is used to measure resistance of a load?
- AVoltmeter
- BOhmmeter
- CAmmeter
- DGalvanometer
5Which of the following statements is incorrect regarding Ohm's Law?
- AVoltage is directly proportional to the current.
- BVoltage is inversely proportional to the resistance.
- CCurrent is inversely proportional to the resistance.
- DVoltage is directly proportional to both current and resistance.
6How much current will flow through the resistor R2 if R1=R2=10 ohms and R3=20 Ohms?
- A1.5 amperes
- B3 amperes
- C4 amperes
- D6 amperes
7If three different resistors are connected in parallel and a voltage is applied across them, which of the following statements is correct?
- AThe smallest resistance has the least power loss across three resistances.
- BThe greatest resistance has the maximum power loss across three resistances.
- CBoth the smallest and the greatest resistances have the same power losses.
- DThe greatest resistance has the least power loss across three resistances.
8Four bulbs are connected in a series-parallel circuit as shown in the given figure. Each bulb is exhibiting a resistance of 4 ohms. If one of two bulbs in the parallel connection blows up, then what will the effect be on the total effective resistance offered by all the bulbs?
- AThe total effective resistance will decrease.
- BThe total effective resistance will increase.
- CThe total effective resistance will remain same.
- DThe circuit would be open.
9A microwave is consuming 800 W power using a standard North American 120 V power supply. What is the approximate amount of current flowing?
- A3 amperes
- B5 amperes
- C7 amperes
- D9 amperes
10Which of the following is a unit of power?
- AJ/s
- BW
- CV.A
- DAll of the above
11Which of the following is true regarding an AC signal?
- AThe greater the time period, the greater the frequency.
- BThe smaller the time period, the greater the frequency.
- CThe time period of an AC signal is directly proportional to the square of the frequency.
- DThere is no relation between the frequency and time period of an AC signal.
12A ground is not one of the following.
- AA place with a maximum resistance.
- BA place of lowest potential in a circuit.
- CA reference point in the circuit from which voltages are measured.
- DA common return path for electric current.
13A circuit breaker is better than a fuse because ______.
- ACircuit breakers are less expensive.
- BA circuit breaker responds more quickly to an excessive current than a fuse.
- CA circuit breaker can be reused multiple times.
- DA circuit breaker is often not compatible with modern electric equipment.
14A capacitor blocks Direct Current (D.C). Hence, it is also known as a:
- ABlocking Capacitor
- BSwitched Capacitor
- CCoupling Capacitor
- DBoth Blocking and Coupling Capacitors
15How many valence electrons are present in most semi-conductor materials?
- A4
- B5
- C6
- D7
Informationen
- Beschreibung
- Military Quiz am Electronic Information , erstellt von Haylee Hall am 26/09/2017.
- Autor
- Haylee Hall
- Sprache
- English
- Aufrufe
- 0
- Verlauf
- Erstellt am 26 Sep 2017 · aktualisiert am 26 Sep 2017
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