VITEEE 2022 | Moving Charges and Magnetism Question 9 | Physics

Two straight wires each $$10 \mathrm{~cm}$$ long are parallel to one another and separated by $$2 \mathrm{~cm}$$. When the current flowing in them is $$30 \mathrm{~A}$$ and $$40 \mathrm{~A}$$ respectively, the force experienced by either of the wires is

$$1.2 \times 10^{-3} \mathrm{~N}$$

$$12 \times 10^{-3} \mathrm{~N}$$

$$11.2 \times 10^{-3} \mathrm{~N}$$

$$10.2 \times 10^{-3} \mathrm{~N}$$

VITEEE 2021

MCQ (Single Correct Answer)

-0

The magnetic field at a point on the axis of a long solenoid having 5 turns per $$\mathrm{cm}$$ length when a current of $$0.8 \mathrm{~A}$$ flows through it is

$$5.024 \times 10^{-8} \mathrm{~Wb} / \mathrm{m}^2$$

$$6.024 \times 10^{-8} \mathrm{~Wb} / \mathrm{m}^2$$

$$7.024 \times 10^{-8} \mathrm{~Wb} / \mathrm{m}^2$$

$$8.024 \times 10^{-8} \mathrm{~Wb} / \mathrm{m}^2$$

VITEEE 2021

MCQ (Single Correct Answer)

-0

A long straight wire is carrying a current of $$12 \mathrm{~A}$$. The magnetic field at a distance of $$8 \mathrm{~cm}$$ is $$\left(\mu_0=4 \pi \times 10^{-7} \mathrm{~N} / \mathrm{A}^2\right)$$

$$2 \times 10^{-4} \mathrm{~Wb} / \mathrm{m}^2$$

$$3 \times 10^{-5} \mathrm{~Wb} / \mathrm{m}^2$$

$$4 \times 10^{-4} \mathrm{~Wb} / \mathrm{m}^2$$

$$4 \times 10^{-5} \mathrm{~Wb} / \mathrm{m}^2$$

Questions Asked from MCQ (Single Correct Answer)

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