A long solenoid has 200 turns per {\cm} and carries a current i. The magnetic field at its center is 6.28 \times 10^{-2} {\Weber} {/} {\m}^2. Another long solenoid has 100 turns per {\cm} and it carries a current \frac{i}{3}. The value of the magnetic field at its center is [AIEEE 2006]

Correct Answer is : 1.05×10−2Weber/m2

1.05 \times 10^{-2} \Weber {/} m^2

1.05 \times 10^{-5}\Weber{/}m^2

1.05 \times 10^{-3} {\Weber} {/} {\m}^2

1.05 \times 10^{-4} {\Weber}{/} {\m}^2

AIEEE 2006 Solved Paper

Section: Physics

Question : 87 of 143

Marks: +1, -0

A long solenoid has 200 turns per cm and carries a current i. The magnetic field at its center is 6.28×10−2‌Weber‌/‌m2. Another long solenoid has 100 turns per cm and it carries a current ‌

. The value of the magnetic field at its center is

[AIEEE 2006]

1.05×10−2‌Weber‌/‌m2
1.05×10−5‌Weber{/}m^2$
1.05×10−3‌Weber‌/‌m2
1.05×10−4‌Weber‌/‌m2

Validate

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