TG EAPCET 2025 (Online) 2nd May Evening Shift | Alternating Current Question 4 | Physics

An inductor and a resistor are connected in series to an AC supply. If the potential difference across the inductor and the resistor are 180 V and 240 V respectively, then the voltage of the AC supply is

300 V

420 V

60 V

210 V

TG EAPCET 2025 (Online) 2nd May Morning Shift

MCQ (Single Correct Answer)

-0

The frequency of an alternating voltage is 50 Hz . The time taken for instantaneous voltage to increase from zero to half of its peak voltage is

$\frac{1}{800} \mathrm{~s}$

$\frac{1}{600} \mathrm{~s}$

$\frac{1}{300} \mathrm{~s}$

$\frac{1}{200} \mathrm{~s}$

TG EAPCET 2024 (Online) 11th May Morning Shift

MCQ (Single Correct Answer)

-0

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

0.3

0.8

0.6

0.5

TG EAPCET 2024 (Online) 10th May Evening Shift

MCQ (Single Correct Answer)

-0

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

$\frac{1}{\sqrt{2}}$

$\frac{1}{\sqrt{3}}$

$\frac{1}{4}$

$\frac{\sqrt{3}}{2}$

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