AIIMS (All India Institute of Medical Sciences) Physics: Questions 120 - 121 of 500
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Question number: 120
» Magnetic Effects of Current and Magnetism » Cyclotron
Appeared in Year: 2004
Question
The cyclotron frequency of an electron gyrating in a magnetic field of 1 T is approximately – [AIIMS]
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 280 MHz |
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| b. | 28 Hz |
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| c. | 28 GHz |
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| d. | 2.8 GHz |
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Question number: 121
» Electrostatics » Electric Potential
Appeared in Year: 2005
Question
Two concentric conducting thin spherical shells A and B having radii rA and rB are charged to QA and – QB (| QB| > | QA| ). The electrical field along a line, (passing through the centre) is: [AIIMS]
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |  Electric Field Along Line Between 2 Spherical Shells (Choice-A) Figure shows the graph of electric field along a line passing through the centre of two concentric conducting thin spherical shells A and B having radii rA and rB. |
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| b. |  Electric Field Along Line Betw 2 Spherical Shells (Choice-B) Figure shows the graph of electric field along a line passing through the centre of two concentric conducting thin spherical shells A and B having radii rA and rB. |
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| c. |  Electric Field Along Line betwe2 Spherical Shells (Choice-C) Figure shows the graph of electric field along a line passing through the centre of two concentric conducting thin spherical shells A and B having radii rA and rB. |
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| d. |  Electric Field Along Line Bet 2 Spherical Shells (Choice-D) Figure shows the graph of electric field along a line passing through the centre of two concentric conducting thin spherical shells A and B having radii rA and rB. |
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