What is the equivalent capacitance when two capacitors, one ofmicrofarads and another ofmicrofarads are connected in series?
a) 20 microfarads
b) 30 microfarads
c) 15 microfarads
d) 10 microfarads
Q.2.
What is the effect on phase shift due to a capacitor in AC circuits?
a) Voltage leads the current by 180 degree
b) Voltage leads the current by 90 degree
c) Current leads the voltage by 90 degree
d) Current leads the voltage by 180 degree
Q.3.
What is the source voltage applied across a loop containing a resistor ofohm and capacitor ofmicrofarads in series when a current of 0.ampere flows across the circuit? Given that the voltage drop across capacitor is 5 Volts?
a) 25 Volts
b) 24 Volts
c) 26 Volts
d) 28 Volts
Q.4.
What is the equivalent capacitance when two capacitors each ofmicrofarads are connected in parallel?
a) 20 microfarads
b) 30 microfarads
c) 40 microfarads
d) 10 microfarads
Q.5.
What is the reactance due to a capacitor of 0.farads when an alternating current of frequencyHertz passes through it?
a) 0.063 ohm
b) 0.63 ohm
c) 0.0063 ohm
d) 0.0703 ohm
Q.6.
What is the reactance due to an inductor of 0.henry when an alternating current of frequencyHertz passes through it?
a) 16.7 ohm
b) 15.7 ohm
c) 17.7 ohm
d) 14.7 ohm
Q.7.
What is the equivalent Inductance when two Inductors one ofhenry and another ofhenry are connected in series?
a) 20 henry
b) 35 henry
c) 40 henry
d) 10 henry
Q.8.
What is the equivalent Inductance when two Inductors, one ofhenry and another ofhenry are connected in parallel?
a) 20 henry
b) 30 henry
c) 15 henry
d) 10 henry
Q.9.
What is the equivalent capacitance when two capacitors each ofmicrofarads are connected in series?
a) 20 microfarads
b) 30 microfarads
c) 40 microfarads
d) 10 microfarads
Q.10.
What is the source voltage applied across a loop containing a resistor ofohm and capacitor ofmicrofarads in series when a current of 0.ampere flows across the circuit? Given that the voltage drop across capacitor is 2 Volts?
a) 7 Volts
b) 4 Volts
c) 6 Volts
d) 8 Volts
Q.11.
What is the reactance due to an inductor of 0.henry when an alternating current of frequencyHertz passes through it?
a) 3.512 ohm
b) 15.7 ohm
c) 2.512 ohm
d) 14.7 ohm
Q.12.
What is the reactance due to a capacitor of 0.farads when an alternating current of frequencyHertz passes through it?
a) 0.063 ohm
b) 0.398 ohm
c) 0.0063 ohm
d) 0.0703 ohm
Q.13.
The impedance matching is done to match the internal impedance of two different sources.
a) True
b) False
Q.14.
What is the source voltage applied across a loop containing a resistor ofohm and capacitor ofmicrofarads in series when a current of 0.ampere flows across the circuit? Given that the voltage drop across capacitor is 2 Volts.
a) 12 Volts
b) 4 Volts
c) 6 Volts
d) 8 Volts
Q.15.
What is the effect on phase shift due to an inductor in AC circuits?
a) Voltage leads the current by 180 degree
b) Voltage leads the current by 90 degree
c) Current leads the voltage by 90 degree
d) Current leads the voltage by 180 degree
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