1
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

An $$R-L-C$$ circuit consists of a $$150 \Omega$$ resistor, $$20 \mu \mathrm{F}$$ capacitor and a 500 mH inductor connected in series with a 100 V AC supply. The angular frequency of the supply voltage is $$400 \mathrm{rad} \mathrm{s}^{-1}$$. The phase angle between current and the applied voltage is

A
$$\tan ^{-1}(0.8)$$
B
$$\tan ^{-1}(0.25)$$
C
$$\tan ^{-1}(0.6)$$
D
$$\tan ^{-1}(0.5)$$
2
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Capacitive reactance of a capacitor in an AC circuit is $$3 \mathrm{k} \Omega$$. If this capacitor is connected to a new AC source of double frequency, the capacitive reactance will become.

A
$$1.5 \mathrm{k} \Omega$$
B
$$3 \mathrm{k} \Omega$$
C
$$6 \mathrm{k} \Omega$$
D
$$5.2 \mathrm{k} \Omega$$
3
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

A coil of inductance 0.1 H and resistance $$110 \Omega$$ is connected to a source of 110 V and 350 Hz . The phase difference between the voltage maximum and the current maximum is

A
$$\tan ^{-1}(1.5)$$
B
$$\tan ^{-1}(0.5)$$
C
$$\tan ^{-1}(1.73)$$
D
$$\tan ^{-1}(2)$$
4
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

A 20 V AC is applied to a circuit consisting of a resistor and a coil with negligible resistance. If the voltage across the resistor is 12 V, the voltage across the coil is

A
16 V
B
10 V
C
8 V
D
6 V
AP EAPCET Subjects
EXAM MAP