Cambridge IGCSE Physics practice

Paper 3 structured question: Series and parallel circuits

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Paper

Marks

Topic

Series and parallel circuits

Exam-style question

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Paper 3Theory (Core)2 marks

Calculating total e.m.f. in a series circuit.

Description

A circuit contains three batteries connected in series. The e.m.f. of the first battery is 1.5V, the second is 2.0V, and the third is 3.0V.

a
Calculate the total e.m.f. of the circuit.
Your answer
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[2]

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Paper 3Theory (Core)1 marks

Description

A series circuit has two batteries with e.m.f.s of 4V and 6V. If the 4V battery is removed, what is the new total e.m.f.?

a
Determine the new total e.m.f. after removing the 4V battery.
Your answer
Aim for approximately 1 distinct marking point.
[1]