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Electrical Engineering MCQs - Electrical Engineering

Basic Electrical Engineering is the foundational discipline of engineering. that studies and applies electrical principles and Ideas.

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Question 1: Which of the following statement is true ?

• A galvanometer with high resistance in series is an ammeter
• A galvanometer with high resistance in parallel is a voltmeter
• A galvanometer with low resistance in series is an ammeter
• A galvanometer with low resistance in parallel is a voltmeter
• Answers: A galvanometer with low resistance in series is an ammeter

Question 2: Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct ?

• 40W lamp will glow brighter
• 40W lamp will fuse
• 100W lamp will glow brighter
• Both lamps will glow equally bright
• Answers: 40W lamp will glow brighter

Question 3: Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current ?

• Resistor
• Inductor
• Capacitor
• Reactor

Question 4: The minimum charge on an ion is ?

• zero
• equal to the charge of an electron
• equal to the atomic number of the atom
• equal to the charge of the number of electrons in an atom
• Answers: equal to the charge of an electron

Question 5: An electric filament bulb can be worked from ?

• D.C. supply only
• Battery supply only
• All above
• A.C. supply only

Question 6: When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will ?

• none of the above
• remain constant
• decrease
• increase

Question 7: International ohm is defined in terms of the resistance of ?

• the unit length of wire
• a column of mercury
• a cube of carbon
• a cube of copper
• Answers: a column of mercury

Question 8: Which of the following quantities remain the same in all parts of a series circuit ?

• Voltage
• Power
• Resistance
• Current

Question 9: All good conductors have high ?

• conductance
• thermal conductivity
• resistance
• reluctance

Question 10: In a lamp load when more than one lamp are switched on the total resistance of the load ?

• none of the above
• increases
• remains same
• decreases

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Total Questions Attempted: 0

Correct: 0 Wrong: 0

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