Electricity
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
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Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Induction
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Electromagnetic Waves
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Modern Physics
Semiconductor Electronics
MCQ (Single Correct Answer)
1
NEET 2023
MCQ (Single Correct Answer)
+4
-1

The net impedance of circuit (as shown in figure) will be :

NEET 2023 Physics - Alternating Current Question 12 English

A
$$15 \Omega$$
B
$$5 \sqrt{5} \Omega$$
C
$$25 \Omega$$
D
$$10 \sqrt{2} \Omega$$
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Given below are two statements

Statement I : In an a.c circuit, the current through a capacitor leads the voltage across it.

Statement II : In a.c circuit containing pure capacitance only, the phase difference between the current and voltage is $$\pi$$.

In the light of the above statements, choose the most appropriate answer from the options given below

A
Statement I is incorrect but Statement II is correct
B
Both Statement I and Statement II are correct
C
Both Statement I and Statement II are incorrect
D
Statement I is correct but Statement II is incorrect
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

An inductor of inductance 2 mH is connected to a 220 V, 50 Hz ac source. Let the inductive reactance in the circuit is X1. If a 220 V dc source replace the ac source in the circuit, then the inductive reactance in the circuit is X2. X1 and X2 respectively are :

A
0.628 $$\Omega$$, infinity
B
6.28 $$\Omega$$, zero
C
6.28 $$\Omega$$, infinity
D
0.628 $$\Omega$$, zero
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

A standard filament lamp consumes 100 W when connected to 200 V ac mains supply. The peak current through the bulb will be :

A
2 A
B
0.707 A
C
1 A
D
1.414 A
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