1
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

A resistance $$R$$ and inductance $$L$$ and a capacitor $$C$$ all are connected in series with an $$\mathrm{AC}$$ supply. The resistance of $$R$$ is $$24 \mathrm{~ohm}$$ and for a given frequency, the inductive reactance of $$L$$ is 36 ohm and capacitive reactance of $$C$$ is $$24 \mathrm{~ohm}$$. If the current in the circuit is $$5 \mathrm{~amp}$$. Find the potential difference across $$R, L$$ and $$C$$.

A
$$140,140,120 \mathrm{~V}$$
B
$$80,120,120 \mathrm{~V}$$
C
$$140,140,120 \mathrm{~V}$$
D
$$120,180,120 \mathrm{~V}$$
2
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

A direct current of $$10 \mathrm{~A}$$ is superimposed on an alternating current $$i=10 \sin \omega t$$ flowing through the wire. The effective value of the resulting current will be.

A
$$(15 / 2) \mathrm{A}$$
B
$$5 \sqrt{6} \mathrm{~A}$$
C
$$5 \sqrt{5} \mathrm{~A}$$
D
$$15 \mathrm{~A}$$
3
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

A direct current of 6 A is superimposed on an alternating current I = 10 sin $$\omega$$t flowing through a wire. The effective value of the resulting current will be

A
5$$\sqrt2$$
B
5$$\sqrt3$$
C
9.27
D
8.37
4
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

In the circuit shown in the figure, the AC source gives a voltage V = 20 cos (2000t) neglecting source resistance, the voltmeter and ammeter reading will be

BITSAT 2022 Physics - Alternating Current Question 3 English

A
0 V, 0.47 A
B
2.82 V, 1.41 A
C
1.41 V, 0.47 A
D
1.5 V, 8.37 A
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