Basic Electrical Engineering MCQs. We covered all the Basic Electrical Engineering MCQs in this post for free so that you can practice well for the exam.
Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.
These types of competitive MCQs appear in the exams like SSC, Railways, Defence, CDS, NDA, State PSC & CSE Exams, etc. We created all the competitive exam MCQs into several small posts on our website for your convenience.
You will get their respective links in the related posts section provided below.
Related Posts:
MCQ on Basic Electrical Engineering for Students
The magnitude of the force experienced by a current-carrying conductor when placed in a magnetic field will be
(a) maximum if the directions of the current and magnetic field are perpendicular to each other
(b) minimum if the directions of the current and magnetic field are perpendicular to each other
(c) maximum if the directions of the current and magnetic field are opposite to each other
(d) maximum if the directions of the current and magnetic field are the same
Option a – maximum if the directions of the current and magnetic field are perpendicular to each other
The reciprocal of the combined resistance of any number of resistances connected in parallel is equal to
(a) the sum of reciprocals of individual resistances
(b) the reciprocal of the product of individual resistances
(c) the reciprocal of the sum of all the resistances
(d) None of the above
Option a – the sum of reciprocals of individual resistances
If the current I through a resistor is increased by 100% (assuming that temperature remains unchanged), the increase in power dissipated will be
(a) 100%
(b) 200%
(c) 300%
(d) 400%
Option c – 300%
The combined resistance of any number of resistances connected in series is equal to
(a) The sum of individual resistance
(b) The sum of reciprocals of individual resistances
(c) the Product of individual resistance
(d) the Highest individual resistance
Option a – The sum of individual resistance
An air conditioner of 2000 W, a fan of 500 W, and a bulb of 40 computers offering 30 W are used in a household W and a using 220V. The power rating of the fuse to be used in this case is
(a) 10 A
(b) 15 A
(c) < 20A
(d) < 5A
Option c –
Appliances: Parallel Fuse: ……….
(a) Series
(b) Parallel
(c) Series in appliances always
(d) Parallel in fuse always
Option a – Series
Potential difference is defined as
(a) the amount of work done in moving a unit charge in a unit of time
(b) distance between two terminals
(c) length of the connecting wire
(d) the amount of work done in moving a unit charge
Option d – the amount of work done in moving a unit charge
A cooler of 1500 W, 200 volts, and a fan of 500 W, 200 volts are to be used from a supply. The rating of the fuse to be used is
(a) 2.5 A
(b) 5.0A
(c) 7.5A
(d) 10A
Option d – 10A
A fuse wire repeatedly gets burnt when used with a good heater. It is advised to use a fuse wire of
(a) more length
(b) less radius
(c) less length
(d) more radius
Option d – more radius
A rheostat is a device used to vary
(a) voltage
(b) current
(c) resistance
(d) power
Option b – current
Electric iron uses wires of alloy as
(a) they do not oxidize at high temperatures
(b) they do not burn at high temperatures
(c) both (a) and (b)
(d) neither (a) nor (b)
Option c – both (a) and (b)
A student records that 36,000 joules of energy are used by him in an hour. The amount of electrical energy required to be used is
(a) 36 kWh
(b) 100 kWh
(c) 0.001 kWh
(d) 0.01 kWh
Option d – 0.01 kWh
To increase the resistance in a network, one has to connect any given resistor in
(a) parallel
(b) series
(c) can be (a) or (b)
(d) only (a)
Option b – series
The heat produced due to the flow of current through a conductor is given by the formula
(a) H = I² Rt
(b) H = V I t
(c) H = V² t/R
(d) All of the above
Option d – All of the above
The two forms of energy released by a tungsten filament used in a bulb are
(a) electrical and light
(c) heat and electrical
(d) electrical only
The direction of conventional current is from
(a) Negative terminal to positive terminal
(b) Positive terminal to negative terminal
(c) In any direction
(d) In both the directions
Option b – Positive terminal to negative terminal
Among the following statements : (i) A discharge lamp uses a discharge tube that is filled with a gas at very low pressure. (ii) Always white light is emitted independent of gas taken in the lamp.
(a) Only (i) is true
(b) Only (ii) is true
(c) Both (i) and (ii) are true
(d) Both (i) and (ii) are false
Option a – Only (i) is true
Among identical spheres A and B having charges as – 5 C and – 16 C ( Basic Electrical Engineering MCQs )
(a) – 5C is at a higher potential
(b) – 16 C is at a higher potential
(c) both are at equal potential
(d) it cannot be said
Option a – – 5C is at a higher potential
The direction of the force experienced by a current-carrying conductor when placed in a magnetic field is dependent on
(a) the direction of the current alone
(b) the direction of the magnetic field alone
(c) the direction of the current as well as the direction of the magnetic field
(d) None of these
Option c – the direction of the current as well as the direction of the magnetic field
We covered all the basic electrical engineering MCQs above in this post for free so that you can practice well for the exam.
Check out the latest MCQ content by visiting our mcqtube website homepage.
Also, check out:
