AIIMS 2019 | Moving Charges and Magnetism Question 2 | Physics

In figure, two parallel infinitely long current carrying wires are shown. If resultant magnetic field at point $$A$$ is zero. Then determine the value of current $$I$$.

AIIMS 2019 Physics - Moving Charges and Magnetism Question 12 English

50 A

15 A

30 A

25 A

AIIMS 2019

MCQ (Single Correct Answer)

-0.33

Two circular loops having same radius $$(R=10 \mathrm{~cm})$$ and same current $$\frac{7}{2} \mathrm{~A}$$ are placed along same axis as shown. If distance between their centres is $$10 \mathrm{~cm}$$, find net magnetic field at point $$P$$.

AIIMS 2019 Physics - Moving Charges and Magnetism Question 8 English

$$\frac{50 \mu_0}{\sqrt{5}} \mathrm{~T}$$

$$\frac{28 \mu_0}{\sqrt{5}} \mathrm{~T}$$

$$\frac{56 \mu_0}{\sqrt{5}} \mathrm{~T}$$

$$\frac{56 \mu_0}{\sqrt{3}} \mathrm{~T}$$

AIIMS 2019

MCQ (Single Correct Answer)

-0.33

If two protons are moving with speed $$v=4.5 \times 10^5 \mathrm{~m} / \mathrm{s}$$ parallel to each other then find the ratio of electrostatic and magnetic force between them

$$4.4 \times 10^5$$

$$2.2 \times 10^5$$

$$3.3 \times 10^5$$

$$1.1 \times 10^5$$

AIIMS 2019

MCQ (Single Correct Answer)

-0.33

Assertion : Electron moving perpendicular to B will perform circular motion.

Reason : Force by magnetic field is perpendicular to velocity.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true, but reason is not the correct explanation of assertion.

If assertion is true, but reason is false.