A proton beam is going from north to south and an electron beam is going from south to north. Neglecting the earth's magnetic field, the electron beam will be deflected:
1. | towards the proton beam |
2. | away from the proton beam |
3. | upwards |
4. | downwards |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
An arrangement of three parallel straight wires placed perpendicular to the plane of paper carrying the same current in the same direction is shown in the figure. The magnitude of force per unit length on the middle wire \(B\) is given by:
1. | \(\frac{\mu_0i^2}{2\pi d}\) | 2. | \(\frac{2\mu_0i^2}{\pi d}\) |
3. | \(\frac{\sqrt{2}\mu_0i^2}{\pi d}\) | 4. | \(\frac{\mu_0i^2}{\sqrt{2}\pi d}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | \(2\times10^{-4}~\text{Nm}^{-1}\) and is attractive |
2. | \(2\times10^{-4}~\text{Nm}^{-1}\) and is repulsive |
3. | \(1\times10^{-4}~\text{Nm}^{-1}\) and is attractive |
4. | \(1\times10^{-4}~\text{Nm}^{-1}\) and is repulsive |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology