Chapter 30: Q.64 (page 873)

64. II A solenoid inductor has an emf of $0.20 V$ when the current through it changes at the rate $10.0 A / s$ . A steady current of 0.10 A produces a flux of $5.0 μ Wb$ per turn. How many turns does the inductor have?

Short Answer

Expert verified

The number of turns in the solenoid are 39

Step by step solution

Step 1. Given information

The Magnetic flux, $B = 5 μ Wb / turn = 5 \times 10^{- 6} Wb / turn$

The current, $I = 0.10 A μ = 4 π \times 10^{- 7}$

Step 2. Explanation

Flux in a solenoid is given by

$B = μ n I$

Here is magnetic flux, is current and is number of turns.

From equation (1),

$\begin{array}{l} n = \frac{B}{μ I} \\ n = \frac{5 \times 10^{- 6}}{4 \times 3.14 \times 10^{- 7} \times 0.10} \\ n = 39.8 \\ n \approx 39 \end{array}$

The number of turns in the solenoid are 39

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64. II A solenoid inductor has an emf of $0.20 V$ when the current through it changes at the rate $10.0 A / s$ . A steady current of 0.10 A produces a flux of $5.0 μ Wb$ per turn. How many turns does the inductor have?

Short Answer

Step by step solution

Step 1. Given information

Step 2. Explanation

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64. II A solenoid inductor has an emf of 0.20Vwhen the current through it changes at the rate 10.0A/s . A steady current of 0.10 A produces a flux of 5.0μWbper turn. How many turns does the inductor have?

Short Answer

Step by step solution

Step 1. Given information

Step 2. Explanation

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Physics Textbooks

Linear Momentum

Fields in Physics

Physics of Motion

Translational Dynamics

Nuclear Physics

Medical Physics

Study anywhere. Anytime. Across all devices.

64. II A solenoid inductor has an emf of $0.20 V$ when the current through it changes at the rate $10.0 A / s$ . A steady current of 0.10 A produces a flux of $5.0 μ Wb$ per turn. How many turns does the inductor have?