Electrical Engineering Mcqs

Which of the following capacitors has relatively shorter shelf life____________?

• (A)  Mica capacitor
• (B)  Electrolytic capacitor
• (C)  Ceramic capacitor
• (D)  Paper capacitor

Answer

Submitted By :Ali Uppal

Which of the following expression is correct for electric field strength___________?

• (A)  E = D/E
• (B)  E = D2/t
• (C)  E = jtD
• (D)  E= nD2

Answer

Submitted By :Ali Uppal

capacitors are used for audio frequency and radio frequency coupling and tuning ?

• (A)  Air
• (B)  Mica
• (C)  Plastic film
• (D)  Ceramic

Answer

Submitted By :Ali Uppal

The units of volume charge density are___________?

• (A)  Coulomb/meter
• (B)  Coulomb/meter
• (C)  Coulomb/meter
• (D)  Coulomb/meter

Answer

Submitted By :Ali Uppal

Which of the following capacitors will have the least value of breakdown voltage________ ?

• (A)  Mica
• (B)  Paper
• (C)  Ceramic
• (D)  Electrolytic

Answer

Submitted By :Ali Uppal

Which capacitor will be physically smaller for the same ratings ___________?

• (A)  Ceramic capacitor
• (B)  Paper capacitor
• (C)  Both will be of equal size
• (D)  None of the above

Answer

Submitted By :Ali Uppal

A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance _______?

• (A)  Ceramic capacitor
• (B)  Mica capacitor
• (C)  Both will have identical value of capacitance
• (D)  It depends on applied voltage

Answer

Submitted By :Ali Uppal

The capacity of capacitor bank used in power factor correction is expressed in terms of____________?

• (A)  kW
• (B)  kVA
• (C)  kVAR
• (D)  volts

Answer

Submitted By :Ali Uppal

The relative permittivity of free space is given by__________?

• (A)  1
• (B)  10
• (C)  100
• (D)  1000

Answer

Submitted By :Ali Uppal

A gang condenser is a____________?

• (A)  polarised capacitor
• (B)  variable capacitor
• (C)  ceramic capacitor
• (D)  none of the above

Answer

Submitted By :Ali Uppal