 # AC Circuit - R-C Circuit objective questions (mcq) and answers

31.  In a parallel R-C circuit, the current always ............the applied voltage

A. Lags

C. Remains in phase with

D. None of the above

32.  At very low frequencies a series R-C circuit behaves as almost purely............ circuit

A. Resistive

B. Inductive

C. Capacitive

D. None of the above

C. Capacitive

33.  An R-C series circuit is excited by a DC source. After its switching on

A. The voltage across resistance R and capacitance are equal

B. The voltage across resistance is zero

C. The voltage across capacitance is zero

D. The same of the voltage across R and C is always equal to the supply voltage

D. The same of the voltage across R and C is always equal to the supply voltage

34.  A square wave is fed to an R-C circuit. Then

A. Voltage across R is square and across C is not square

B. Voltage across C is square and across R is not square

C. Voltage across both R and C is square

D. Voltage across both R and C is not square

D. Voltage across both R and C is not square

35.  With the increase in applied frequency, the dielectric loss in a material will

A. Increase

B. Decrease

C. Remain constant

D. Become zero