Electromagnetism
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Alternating Current
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Modern Physics
Dual Nature of Radiation
MCQ (Single Correct Answer)
Semiconductor Devices and Logic Gates
MCQ (Single Correct Answer)
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
Questions Asked from MCQ (Single Correct Answer)
BITSAT Subjects
English Proficiency