Two Long Parallel Wires 40 Cm Apart Are Carrying Currents

question 43

Multiple Choice

Two long parallel wires 40 cm apart are carrying currents of 10 A and 30 A in the opposite direction.What is the magnitude of the magnetic field halfway between the wires?

• A) 3.0 × 10^-5 T
• B) 2.0 × 10^-5 T
• C) 1.0 × 10^-5 T
• D) 4.0 × 10^-5 T

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Definitions:

Randomly Selected

A method or process where selections are made in such a way that each item or person has an equal chance of being chosen, ensuring unbiased results.

Control Group

A group in an experiment or study that does not receive treatment, used as a benchmark to measure the effects of the treatment.

Natural Experiments

Observational studies where the conditions are naturally occurring rather than being controlled or manipulated by the researcher, used to infer causality.

Random Experiments

Procedures or trials that yield different outcomes, each with a specific probability, even when repeated under the same conditions.