MCQ Or Quiz On Basic Electrical

Hello guys, welcome back to my blog. In this article, I will discuss some objective type questions related to basic electrical or electricity, quiz or MCQ on basic electrical. Read this article till the end because the questions which I am discussing above are most repeated in competitive exams.

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Quiz or MCQ On Basic Electrical

01. Ohm’s law is not applicable to

1. vacuum tubes
2. carbon resistors
3. high voltage circuits
4. circuits with less current densities

Ans: a

02. Which is the most excellent conductor for electricity?

1. Iron
2. Silver
3. Copper
4. Carbon

Ans: b

03. In which of the following option ‘ampere second’ could be the unit?

1. Reluctance
2. Charge
3. Power
4. Energy

Ans: b

04. Each of the following is equivalent to watt except?

1. (amperes) ohm
2. joules/sec.
3. amperes x volts
4. amperes/volt

Ans: d

05. The following options do not have a negative temperature coefficient is?

1. Aluminum
2. Paper
3. Rubber
4. Mica

Ans: a

06. Varistors are?

1. insulators
2. non-linear resistors
3. carbon resistors
4. resistors by zero temperature coefficient

Ans: b

07. Insulating elements have the function of?

1. preventing a short circuit between conducting wires
2. preventing an open circuit between the load and the voltage source 
3. handling very large currents
4. collecting very high currents

Ans: b

08. The rating of a fuse wire is regularly exposed?

1. ampere-hours
2. ampere-volts
3. kWh
4. amperes

Ans: d

09. In a series circuit with unequal resistances?

1. the more value resistance has the most of the current through it
2. the less value resistance has the highest voltage drop
3. the less value resistance has the highest current
4. the more value resistance has the highest voltage drop

Ans: d

10. The filament used in an electric bulb is made of?

1. carbon
2. aluminum
3. tungsten
4. nickel

Ans: c

11. A three Ohm resistor having 2 A current, will consume the power of?

1. 2 watts
2. 4 watts
3. 12 watts
4. 8 watts

Ans: c

12. Which of the following description is correct?

1. A galvanometer with less value resistance in parallel is a voltmeter
2. A galvanometer with more value resistance in parallel is a voltmeter
3. A galvanometer with less value resistance in series is an ammeter
4. A galvanometer with more value resistance in series is an ammeter

Ans: c

13. If in the mainline parallel circuit is opened, then the current?

1. increases in the part of the lowest resistance
2. increases in each branch
3. is zero in all parts
4. is zero in the highest resistive part

Ans: c

14. If a wire of 0.2-ohm resistance is doubled in length, its resistance will be?

1. 0.4 ohm
2. 0.6 ohm
3. 0.8 ohm
4. 1.0 ohm

Ans: a

15. Three 60 W bulbs are in parallel over the 60 V power supply. If one bulb blast then?

1. there will be heavy current in the mainline
2. rest of the pair bulbs will not glow
3. all three bulbs will light
4. the other two bulbs will light

Ans: d

16. The five bulbs of 40 W each are combined in series swift a battery across them, which of the following statement is correct?

1. The current into each bulb in same
2. The voltage across any bulb is not the same
3. The power distribution in each bulb is not the same
4. None of the above

Ans: a

17. Two resistances Rs and Rp are connected in series over the voltage source where Rs>Rp. The biggest drop will be across which resistor?

1. R 1
2. Ri
3. either Rl or Ri
4. none of them

Ans: a

18. A closed switch has a resistance equal to?

1. zero
2. about 50 ohms
3. about 500 ohms
4. infinity

Ans: a

19. Heat in a conductor is produced on the passage of electric current due to?

1. reactance
2. capacitance
3. impedance
4. resistance

Ans: d

20. The insulation at a current-carrying conductor is done?

1. to stop leakage of current
2. to prevent shock
3. both of the above factors
4. none of the above factors

Ans: c

I hope this article may help you all a lot. Thank you for reading,

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Tags: Electrical Objective Questions Related To Electricity Or Basic Electrical, quiz, or MCQ on basic electrical.