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A proton enters a magnetic field of flux...

A proton enters a magnetic field of flux density 1.5Wb/m^2 with a speed of 2×10^7 m/s at angle of 30^o with the field. Find the force on the proton .

A

`[2.4 * 10^(-12)]` N

B

`[0.24 * 10^(-12)]` N

C

`[0.24 * 10^(-12)]` N

D

`[24 * 10^(-12)]` N

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The correct Answer is:
A
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BINA LIBRARY-ELECTROMAGNETISM-EXERCISE
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  2. A moving coil galvanometer has resistance 50Omega. The maximum bearabl...

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  3. A proton enters a magnetic field of flux density 1.5Wb/m^2 with a sp...

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  4. An electron and a proton enter a magnetic field perpendicularly. Both ...

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  10. A galvanometer has a resistance of 25Omega and a maximum of 0.01A curr...

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  11. A voltmeter of resistance (2 x 10^4 Omega) reads 5V. To make it read 2...

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  12. A galvanometer of resistance 20Ω is to be converted into an ammeter of...

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  13. Two long parallel wires carry equal current I in the same direction. T...

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  14. An electric charge moves with a constant velocity v parallel to the li...

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  15. When a magnetic field is applied on an electron moving with uniform ve...

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  16. A stationary electron placed in a magnetic field experiences a mechani...

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  17. The force acting on an electron at rest in a uniform magnetic field B ...

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  18. A conducting circular loop of radius r carries a current I. It is plac...

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  19. Earth's magnetic field always has a horizontal component except at

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