KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Physics: Questions 247 - 250 of 253

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Question number: 247

» Kinematics » Motion in a Plane

Appeared in Year: 2016

MCQ▾

Question

A person walks north of east for . How far would she have to walk due north and then due east to arrive at the same location?

Choices

Choice (4) Response

a.

Towards north and towards east

b.

Towards north and towards east

c.

Towards north and towards east

d.

Towards north and towards east .

Question number: 248

» Work, Energy and Power » Power

Appeared in Year: 2016

MCQ▾

Question

Water falls down a shaft to reach a turbine which generates electricity. How much water must fall per second in order to generate of power? (Assume efficiency of conversion and )

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 249

» Kinematics » Motion in a Plane

Appeared in Year: 2016

MCQ▾

Question

A person walks north of east for . How far would she have to walk due north and then due east to arrive at the same location?

Choices

Choice (4) Response

a.

Towards north and towards east

b.

Towards north and towards east .

c.

Towards north and towards east

d.

Towards north and towards east

Question number: 250

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

Appeared in Year: 2016

MCQ▾

Question

The diagram below shows two circular loops of wire centered on and perpendicular to the axis, and oriented with their planes parallel to each other. The axis passes vertically through loop (dashed line). There is a current in loop as shown. Possible action which we might perform on loop is:

System of two circular loops

System of Two Circular Loops

In diagram two circular loops of wire (A and B) centered on and perpendicular to the x- axis, and oriented with their planes parallel to each other.

(i) Move to the right along axis closer to

(ii) Move to the left along axis away from

(iii) As viewed from above, rotate clockwise about axis

(iv) As viewed from above, rotate anticlockwise about axis

Which of these actions will induce a current in only in the direction shown?

Choices

Choice (4) Response

a.

Only

b.

Only and

c.

Only

d.

Only and

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