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

In hydrogen spectrum, the shortest wavelength in the Balmer series is $$\lambda$$. The shortest wavelength in the Bracket series is :

A
$$4 \lambda$$
B
$$9 \lambda$$
C
$$16 \lambda$$
D
$$2 \lambda$$
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

The potential energy of a long spring when stretched by $$2 \mathrm{~cm}$$ is U. If the spring is stretched by $$8 \mathrm{~cm}$$, potential energy stored in it will be :

A
4U
B
8U
C
16U
D
2U
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

A full wave rectifier circuit consists of two p-n junction diodes, a centre-tapped transformer, capacitor and a load resistance. Which of these components remove the ac ripple from the rectified output?

A
p-n junction diodes
B
Capacitor
C
Load resistance
D
A centre-tapped transformer
4
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

The magnetic energy stored in an inductor of inductance $$4 ~\mu \mathrm{H}$$ carrying a current of $$2 \mathrm{~A}$$ is :

A
$$4 \mathrm{~mJ}$$
B
$$8 \mathrm{~mJ}$$
C
$$8 ~\mu \mathrm{J}$$
D
$$4 ~\mu \mathrm{J}$$
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