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AIIMS 2019
MCQ (Single Correct Answer)
+1
-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

A
$$4.4 \times 10^5$$
B
$$2.2 \times 10^5$$
C
$$3.3 \times 10^5$$
D
$$1.1 \times 10^5$$
2
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

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

Reason : Force by magnetic field is perpendicular to velocity.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true, but reason is not the correct explanation of assertion.
C
If assertion is true, but reason is false.
D
If both assertion and reason are false.
3
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Assertion : A charge particle is released from rest in magnetic field then it will move in a circular path.

Reason : Work done by magnetic field is non zero.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true, but reason is not the correct explanation of assertion.
C
If assertion is true, but reason is false.
D
If both assertion and reason are false.
4
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

A long straight wire, carrying current $$I$$ is bent at its mid-point to form an angle of $$45^{\circ}$$. Induction of magnetic field (in tesla) at point $$P$$, distant $$R$$ from point of bending is equal to

AIIMS 2018 Physics - Moving Charges and Magnetism Question 1 English

A
$$\frac{(\sqrt{2}-1) \mu_0 I}{4 \pi R}$$
B
$$\frac{(\sqrt{2}+1) \mu_0 I}{4 \pi R}$$
C
$$\frac{(\sqrt{2}-1) \mu_0 I}{4 \sqrt{2} \pi R}$$
D
$$\frac{(\sqrt{2}+1) \mu_0 I}{4 \sqrt{2} \pi R}$$
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