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| Q.10 | Which of the following statements regarding solenoid are correct? (i) The wire wound with a number of turns in the form of helix is known as solenoid. (ii) The magnetic flux density is directly proportional to the number of turns, current and absolute permeability of the solenoid. (iii) The magnetic field outside the solenoid is zero. | |
| Ans | 1. (ii) and (iii) | |
| 2. (i), (ii) and (iii) | ||
| 3. (i) and (iii) | ||
| 4. (i) and (ii) |
Correct Ans: 2
