Who defined electric current and devised a method to measure current ?
A. Nikola Tesla
B. Alessandro Antonio Volta
C. Andre-Marie Ampere
D. Michael Faraday
Basic Electrical Mcqs
Basic Electrical Mcqs
Which of the following is a correct representation of average value in an AC Circuit ?
A. RMS value/Peak factor
B. RMS value*Peak factor
C. RMS value/Form factor
D. RMS value*Form factor
What is the number of primary turns in a 200/1000 V transformer if the emf per turn is 10V ?
A. 5
B. 12
C. 34
D. 20
What is the direction of the electric field at a point ?
A. Along the line tangent to the electric field
B. Electric field has a random direction
C. Along the line perpendicular to the electric field
D. Electric field has no direction
What do crowded lines of force indicate ?
A. Weak electric potential
B. Strong electric field
C. Weak electric field
D. Strong electric potential
What kind of quantity is an Electric potential ?
A. Tensor quantity
B. Dimensionless quantity
C. Vector quantity
D. Scalar quantity
What is zero for a charged spherical shell ?
A. Electrical field inside the spherical shell
B. Electrical field outside the spherical shell
C. Electrical potential outside the spherical shell
D. Electrical potential inside the spherical shell
How many cycles will an AC signal make in 2 seconds if its frequency is 100 Hz ?
A. 100
B. 150
C. 200
D. 50
Which of the following is a correct representation of peak value in an AC Circuit ?
A. RMS value*Peak factor
B. RMS value/Form factor
C. RMS value/Peak factor
D. RMS value*Form factor
Where does electro-static shielding occur in a charged spherical shell ?
A. When electrical field outside the spherical shell
B. Electrical field inside the spherical shell
C. When electrical potential outside spherical shell is zero
D. When electrical potential inside the spherical shell is zero