Alternating Current · Physics · TS EAMCET
MCQ (Single Correct Answer)
1
A capacitor and a resistor are connected in series to an AC source. If the ratio of the capacitive reactance of the capacitor and the resistance of the resistor is $4: 3$, then the power factor of the circuit is
TG EAPCET 2024 (Online) 11th May Morning Shift
2
An inductor of inductive reactance $R$, a capacitor of capacitive reactance $2 R$ and a resistor of resistance $R$ are connected in series to an AC source. The power factor of the series $L-C-R$ circuit is
TG EAPCET 2024 (Online) 10th May Evening Shift
3
An inductor and a resistor are connected in series to an AC source of 10 V . If the potential difference across the inductor is 6 V , then the potential difference across the resistor is
TG EAPCET 2024 (Online) 10th May Morning Shift
4
In a series $L-C-R$ circuit, if the current leads the source voltage, then
TG EAPCET 2024 (Online) 9th May Morning Shift
5
In an ideal step up transformer, if the input voltage and input power are $V_1$ and $R_1$ respectively and the output voltage and output power are $V_2$ and $P_2$ respectively, then
TS EAMCET 2023 (Online) 12th May Evening Shift
6
The power factor of an AC circuit containing peak current 2 A and peak voltage 1 V is $1 / 2$, then the angle between voltage and current is
TS EAMCET 2023 (Online) 12th May Morning Shift