What is the effect of increasing the number of turns in a solenoid on its magnet
Practice Questions
Q1
What is the effect of increasing the number of turns in a solenoid on its magnetic field strength? (2022)
Decreases the field strength
Increases the field strength
No effect
Reverses the field direction
Questions & Step-by-Step Solutions
What is the effect of increasing the number of turns in a solenoid on its magnetic field strength? (2022)
Step 1: Understand what a solenoid is. A solenoid is a coil of wire that creates a magnetic field when an electric current passes through it.
Step 2: Know the formula for magnetic field strength (B) in a solenoid. The formula is B = μ₀nI, where μ₀ is a constant, n is the number of turns, and I is the current.
Step 3: Identify the variables in the formula. In this case, n is the number of turns in the solenoid, and I is the current flowing through the wire.
Step 4: Recognize that increasing the number of turns (n) means there are more loops of wire in the solenoid.
Step 5: Understand that according to the formula, if n increases while I remains constant, the value of B (magnetic field strength) will also increase.
Step 6: Conclude that more turns in the solenoid lead to a stronger magnetic field.
