1. | increases continuously. |
2. | decreases continuously. |
3. | first increases and then decreases. |
4. | remains constant throughout. |
1. | \(Bv^2t\) | 2. | \(2Bv^2t\) |
3. | \(\dfrac{\sqrt3}{2}Bv^2t\) | 4. | \(\dfrac{2}{\sqrt3}Bv^2t\) |
1. | \(\dfrac{\mu_0\pi r^2_1N_1N_2}{l_2}\) | 2. | \(\dfrac{\mu_0\pi r^2_1N_1N_2}{\sqrt{l_1l_2}}\) |
3. | \(\dfrac{\mu_0\pi r^2_1N_1N_2}{l_1}\) | 4. | \(\dfrac{\mu_0~\pi r_1r_2N_1N_2}{\sqrt{l_1}}\) |
1. | falls with uniform velocity. |
2. | \(g\). | accelerates down with acceleration less than
3. | \(g\). | accelerates down with acceleration equal to
4. | moves down and eventually comes to rest. |
1. | \((\cos \alpha+\sin \alpha) \dfrac{d B}{d t}\) |
2. | \( (\cos \alpha-\sin \alpha) \dfrac{d B}{d t}\) |
3. | \((\tan \alpha+\cot \alpha) \dfrac{d B}{d t}\) |
4. | \( (\tan \alpha-\cot \alpha) \dfrac{dB}{d t}\) |
1. | \(\dfrac{\mu_0A}{L}\cdot N\) | 2. | \(\dfrac{\mu_0A}{L}\cdot N^2\) |
3. | \(\dfrac{\mu_0L^3}{A}\cdot N\) | 4. | \(\dfrac{\mu_0L^3}{A}\cdot N^2\) |
1. | \(2~\text{A}\) | 2. | \(0.25~\text{A}\) |
3. | \(1.5~\text{A}\) | 4. | \(1~\text{A}\) |