A straight wire carrying a current of 7.2 A has a field of 8.9 10–3 T at right angles to it. What length of wire in the field will experience a force of 2.1 N? 2.6 10–3 m 3.1 10–1 m 1.3 10–1 m 3.3 101 m

Answers

Answer 1

Answer:

33.18m

Explanation:

the length is 3.3 x 10^1m

Answer 2

Answer:

3.3x10^1m

Explanation:

F=LIBsinθ

Force F= 2.1N

Length L = unknown

Current I= 7.2A

Magnetic field B = 8.9x10^-3

sinθ = sin90° = 1 (because the field is at right angles to the wire)

2.1 = L (7.2)(8.9x10^-3)(1)

L = 32.77m

= 3.3x10^1m


Related Questions

Rosa records the distance that a toy car rolls and the time it takes to cover the distance. What scientific practice is this? collecting data asking a question providing explanations communicating results

Answers

Answer:

collecting data

Explanation:

Data collection refers to a systematic method for gathering and analyzing information from a number of sources in order to provide a complete and reliable image of a subject region. The collection of data helps an individual or organization to answer specific questions, determine outcomes, and predicting future possibilities and outcomes. As per the question, rosa is collecting data about the distance and time of her toy car intrigued by the scientific query.

Answer:

A : Data

Explanation:

I’m doing the exam

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