Two resistors of resistance $$$R$$$ and two resistors of resistance $$$3 R$$$ are connected to a cell of e.m.f. 8.0 V as shown.

Physics

IGCSE&ALevel

CAIE

Exam No：9702_s25_qp_13 Year：2025 Question No：35

Answer:

Knowledge points:

10.1.1 recall and use appropriate circuit symbols as set out in the ASE publication Signs, Symbols and Systematics (example circuit symbols are given in Section 5.5.)

10.1.2 draw and interpret circuit diagrams containing sources, switches, resistors, ammeters, voltmeters, and/or any other type of component referred to in the syllabus

10.1.3 define electromotive force (e.m.f.) in terms of the energy transferred by a source in driving unit charge round a complete circuit

10.1.4 distinguish between e.m.f. and potential difference (p.d.) in terms of energy considerations

10.1.5 understand the effects of the internal resistance of a source of e.m.f. on the terminal potential difference

Two resistors of resistance $$\(R\)$$ and two resistors of resistance $$\(3 R\)$$ are connected to a cell of e.m.f. 8.0 V as shown.

Answer:

Knowledge points:

Solution:

Two resistors of resistance $$\(R\)$$ and two resistors of resistance $$\(3 R\)$$ are connected to a cell of e.m.f. 8.0 V as shown.

Answer:

Knowledge points:

Solution:

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