Magnetic Effects of Current and Magnetism (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Physics): Questions 6 - 7 of 8

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Question number: 6

» Magnetic Effects of Current and Magnetism » Biot - Savart Law

MCQ▾

Question

The magnetic field at the center of hydrogen atom due to its revolving electron is –

Given: radius of electronic orbit = 0.67 Å, Velocity of the electronEquation

Choices

Choice (4) Response

a.

8.75 T

b.

9.98 T

c.

11.75 T

d.

10.12 T

Question number: 7

» Magnetic Effects of Current and Magnetism » Ampere's Law

Appeared in Year: 2016

MCQ▾

Question

In an experiment, setup A consists of two parallel wires which carry currents in opposite directions as shown in the figure. A second setup B is identical to setup A, except that there is a metal plate between the wires.

Quadrilateral poly1 Quadrilateral poly1: Polygon C, D, E, FSegment f Segment f: Segment [A, B] Segment f Segment f: Segment [A, B] Segment f Segment f: Segment [A, B] Segment f_2 Segment f_2: Segment [A_3, B_3] Segment f_2 Segment f_2: Segment [A_3, B_3] Segment f_2 Segment f_2: Segment [A_3, B_3] Segment c Segment c: Segment [C, D] of Quadrilateral poly1Segment d Segment d: Segment [D, E] of Quadrilateral poly1Segment e Segment e: Segment [E, F] of Quadrilateral poly1Segment f_4 Segment f_4: Segment [F, C] of Quadrilateral poly1Segment g Segment g: Segment [B_1, A_1] Segment g Segment g: Segment [B_1, A_1] Segment g Segment g: Segment [B_1, A_1] Segment h Segment h: Segment [B_2, A_2] Segment h Segment h: Segment [B_2, A_2] Segment h Segment h: Segment [B_2, A_2] Setup A text1 = “Setup A”Setup B text1_1 = “Setup B”

Two Wire Carrying Current in Opposite Sides

In figure two wires carrying current in opposite sides in setup A and in setup B a metal plate placed between two wires.

Let Equation and Equation be the magnitude of the force between the two wires in setup Equation and setup B, respectively.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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