NEET Physics: Questions 597 - 599 of 2142

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Question number: 597

» Magnetic Effects of Current and Magnetism » Current Loop as Magnetic Dipole

MCQ▾

Question

Four wires each of length 2.0 meter are bent into four loops P, Q, R and S and then suspended into uniform magnetic field. Same current is passed in each loop. Which statements are incorrect?

Four current carrying loops P, Q, R and S.

Four Current Carrying Loops P, Q, R and S.

Four wires each of length 2.0 meter are bent into four loops P, Q, R and S. loop S is the circularly shaped.

(1) Couple on loop P will be the highest

(2) Couple on loop Q will be the highest

(3) Couple on loop R will be the highest

(4) Couple on loop S will be the highest

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

2 and 4 are correct

b.

1, 2 and 3 are correct

c.

1 and 2 are correct

d.

1 and 3 are correct

Question number: 598

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

MCQ▾

Question

An α-particle is moving in a magnetic field of Equation tesla with a velocity of Equation . The magnetic force acting on the particle will be

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

0

Question number: 599

» Magnetic Effects of Current and Magnetism » Para, Dia and Ferro-Magnetic Substances

MCQ▾

Question

If a diamagnetic solution is poured into a U-tube and one arm of this U-tube placed between the poles of a strong magnet with the meniscus in a line with field, then the level of the solution will

Choices

Choice (4) Response

a.

Rise

b.

Oscillate slowly

c.

remain as such

d.

fall

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