1
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1

For very high frequencies, the effective impedance of the circuit (shown in the figure) will be:-

NEET 2023 Manipur Physics - Electromagnetic Induction and Alternating Current Question 5 English

A
4 $$\Omega$$
B
6 $$\Omega$$
C
1 $$\Omega$$
D
3 $$\Omega$$
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1

In a series LCR circuit, the inductance $$L$$ is $$10 ~\mathrm{mH}$$, capacitance $$C$$ is $$1 ~\mu \mathrm{F}$$ and resistance $$R$$ is $$100 ~\Omega$$. The frequency at which resonance occurs is :-

A
15.9 kHz
B
1.59 rad/s
C
1.59 kHz
D
15.9 rad/s
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1

The net magnetic flux through any closed surface is :

A
Positive
B
Infinity
C
Negative
D
Zero
4
NEET 2023
MCQ (Single Correct Answer)
+4
-1

A $$12 \mathrm{~V}, 60 \mathrm{~W}$$ lamp is connected to the secondary of a step down transformer, whose primary is connected to ac mains of $$220 \mathrm{~V}$$. Assuming the transformer to be ideal, what is the current in the primary winding ?

A
2.7 A
B
3.7 A
C
0.37 A
D
0.27 A
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