Consider the following statements about a solenoid:

1. The magnetic field strength in a solenoid depends upon the number of turns per unit length in the solenoid

2. The magnetic field strength in a solenoid depends upon the current flowing in the wire of the solenoid

3. The magnetic field strength in a solenoid depends upon the diameter of the solenoid

Which of the statements given above are correct?

General Ability 2019 NDA General Ability 2019 NDA 2019

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