BEE FREE Bachelor of Electrical Engineering Basic Electrical Questions and Answers 2

Question 1

What is the SI unit of electrical capacitance?

Accepted Answer

Farad

Answer

Henry

Answer

Ohm

Answer

Coulomb

Question 2

In a purely resistive AC circuit, what is the phase angle between voltage and current?

Accepted Answer

0 degrees

Answer

45 degrees

Answer

90 degrees

Answer

180 degrees

Question 3

Which theorem states that any linear bilateral network can be replaced by an equivalent voltage source in series with an impedance?

Accepted Answer

Thevenin's theorem

Answer

Norton's theorem

Answer

Superposition theorem

Answer

Maximum power transfer theorem

Question 4

What happens to the total resistance when resistors are connected in parallel?

Accepted Answer

It decreases below the smallest individual resistance

Answer

It equals the sum of all resistances

Answer

It equals the largest resistance

Answer

It remains unchanged

Question 5

What is the time constant of an RC circuit with R = 10 kohm and C = 100 microfarads?

Accepted Answer

1 second

Answer

0.1 second

Answer

10 seconds

Answer

0.01 second

Question 6

Which material is most commonly used as a conductor in residential electrical wiring in the United States?

Accepted Answer

Copper

Answer

Aluminum

Answer

Silver

Answer

Gold