Chapter 2: Kirchhoff's Laws, Potential Dividers and Sensing Circuits

A-level PhysicsModule 4: Electrons, Waves & Photons8 topicsHigher

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Module 4: Electrons, Waves and Photons: Kirchhoff's Laws, Potential Dividers and Sensing Circuits - Authored Long Answer Questions

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4 questions25 marks37.5 min

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6 marksdescribestandardOCR A

For Kirchhoff's Laws, Potential Dividers and Sensing Circuits, describe how Kirchhoff laws and sensing circuits applies to NTC thermistor in a potential divider.

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6 markscalculatehardOCR A

Using NTC thermistor in a potential divider, calculate a relevant OCR A Kirchhoff's Laws, Potential Dividers and Sensing Circuits quantity and explain the physical or chemical meaning of the answer. Show equation, substitution, answer and unit.

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7 marksexplainhardOCR A

Kirchhoff's Laws, Potential Dividers and Sensing Circuits - data from: NTC thermistor in a potential divider

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The graph for Kirchhoff's Laws, Potential Dividers and Sensing Circuits shows data from NTC thermistor in a potential divider. Explain the pattern using the data and relevant physics principles.

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6 marksevaluatestandardOCR A

In NTC thermistor in a potential divider, evaluate the experimental method or model assumptions used when applying Kirchhoff laws and sensing circuits.

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1. Charge, Current, PD, EMF, Resistance and Power

3. Progressive Waves, Refraction, Diffraction and Polarisation

Key learning objectives

Understand the key principles behind Kirchhoff's Laws, Potential Dividers and Sensing Circuits.
Apply these ideas to exam-style questions.
Recall the essential definitions and key terms.