Four 20- $\Omega$ Resistors Are Connected in Series and the Combination Is Connected

question 41

Multiple Choice

Four 20- $\Omega$ resistors are connected in series and the combination is connected to a 20-V emf device.The potential difference across any one of the resistors is:

• A)1 V
• B)4 V
• C)5 V
• D)20 V
• E)80 V

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Definitions:

Double-blind Technique

An experimental procedure in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.

Experimenter Bias

A form of research bias where the expectations or preferences of the researcher unconsciously influence the outcome of the study.

Single-blind Experiment

An experimental design in which the participants do not know which group (experimental or control) they belong to, but the researchers do.

Debriefing Session

A meeting where participants or researchers discuss the procedures, findings, or experiences related to an experiment or event, often conducted after the conclusion of the event.