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AIIMS (All India Institute of Medical Sciences) Physics: Questions 480 - 484 of 500
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Question 480
Question MCQ▾
The current through a wire depends on time as . Calculate the charge crossed through a cross section of the wire in .
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 481
Appeared in Year: 2001
Question MCQ▾
A cube of metal is given a charge , which of the following statements is true: [MP PET]
Choices
Choice (4) | Response | |
---|---|---|
a. | Potential at the surface of cube is zero | |
b. | Electric field varies within the cube | |
c. | Potential within the cube is zero | |
d. | Electric field is normal to the surface of the cube |
Question 482
Appeared in Year: 2004
Question MCQ▾
A round disc of moment of inertia about its axis perpendicular to its plane and passing through its centre is placed over another disc of moment of inertia rotating with an angular velocity about the same axis. The final angular velocity of the combination of discs is –
[AIPMT]
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 483
Question MCQ▾
A hollow charged metal sphere has radius . If the potential difference between its surface and a point at distance from the centre is . Find out the electric field intensity at a distance from the centre.
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 484
Question MCQ▾
The number of electron passing through a heater wire in 30 seconds, if it carries a current of 10 A is approximately –
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |