Practice 1000 Basic Electrical Engineering Multiple Choice Questions with Answers Quiz-2 - MCQGeeks.com

Q.1.

Who defined electric current and devised a method to measure current?

a) Michael Faraday
b) Andre-Marie Ampere
c) Nikola Tesla
d) Alessandro Antonio Volta

Q.2.

How many electrons will constitute 2 Coulombs of electric charge?

a) 6.24 * 1018 electrons
b) 12.48 * 1018 electrons
c) 1.602 * 1019 electrons
d) 3.204 * 1019 electrons

Q.3.

Which of the following is correct about direct current?

a) Magnitude is constant
b) Frequency is zero
c) Can be transported to larger distances with less loss in power
d) Flows in one direction

Q.4.

Who witnessed the effect of magnetism for the first time?

a) Hans Christian Orsted
b) Alexander Graham Bell
c) Michael Faraday
d) Gustav Robert Kirchhoff

Q.5.

Which of the following according is correct about electrical conductivity?

a) It is the ratio of current density to the electric field
b) It is the product of current density and electric field
c) It is the ratio of the electric field to current density
d) It is the reciprocal of the product of current density and electric field

Q.6.

What is responsible for the current to flow?

a) Protons
b) Electrons
c) Nucleus
d) Protons and Electrons

Q.7.

Which of the following according to KCL must be zero?

a) Algebraic sum of currents in closed-loop
b) Algebraic sum of power in closed-loop
c) Algebraic sum of currents entering and leaving a junction
d) Algebraic sum of voltages across the input and output

Q.8.

How many directions can the electric field at a point have?

a) Zero
b) One
c) Two
d) Many

Q.9.

Which of the following will happen in a transformer when the number of secondary turns is greater than the number of primary turns?

a) The voltage gets stepped up
b) The voltage gets stepped down
c) The power gets stepped up
d) The power gets stepped down

Q.10.

Which of the following is correct about the voltage transformation ratio in electrical engineering?

a) Ratio of number of primary turns to the number of secondary turns
b) Ratio of induced emf in secondary to induced emf in primary
c) Ratio of secondary current to the primary current
d) Ratio of power in primary to power in secondary

Q.11.

Which of the following according to the fundamentals of electrical engineering is correct about the induced emf in primary of transformer?

a) It is the ratio of primary turns to emf induced per turn
b) It is the product of primary turns and emf induced per turn
c) It is the ratio of secondary turns to emf induced per turn
d) It is the product of secondary turns and emf induced per turn

Q.12.

Which of the following current is drawn by the primary circuit of an ideal transformer when the secondary is open?

a) Secondary current
b) Leakage current
c) Magnetizing current
d) Working on current

Q.13.

Which of the following according to KVL must be zero?

a) Algebraic sum of currents in closed-loop
b) Algebraic sum of power in closed-loop
c) Algebraic sum of losses in closed-loop
d) Algebraic sum of voltages in closed-loop