A Galvanometer Has an Internal Resistance of 100 Ω and Deflects

question 11

Multiple Choice

A galvanometer has an internal resistance of 100 Ω and deflects full-scale at 2.00 mA.What size resistor should be added to the galvanometer to convert it to a milliammeter capable of reading up to 4.00 mA,and how should this resistor be connected to the galvanometer?

• A) 50.0 Ω in series with the galvanometer
• B) 50.0 Ω in parallel with the galvanometer
• C) 75.0 Ω in parallel with the galvanometer
• D) 100 Ω in series with the galvanometer
• E) 100 Ω in parallel with the galvanometer

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Definitions:

Cognitive Processes

Mental activities involved in the acquisition, storage, retrieval, and use of knowledge, including perception, memory, thinking, and problem solving.

Multifactorial Causation

The concept that many factors (genetic, environmental, behavioral) collectively influence the outcome of a disease or condition.

Psychoanalytic Approach

A method in psychology which posits that human behavior is influenced by unconscious motives and conflicts originating from childhood experiences.

Empirical Explanation

A clarification or interpretation based on observation, experimentation, or experience rather than theory.